Glossar: H
Do you have questions about specific symptoms or ingredients? Our glossary provides an A-to-Z guide to your health.
H
309 Posts in this encyclopedia categoryH2 Receptor Antagonist
H2 receptor antagonists are medications that reduce stomach acid production. They are used to treat heartburn, peptic ulcers, and acid reflux disease.
Haemarthrosis
Haemarthrosis refers to bleeding into a joint space. It commonly occurs after injuries or in patients with bleeding disorders, causing swelling, pain, and restricted movement.
Haematococcus Pluvialis
A microalgae rich in natural astaxanthin, a powerful antioxidant. Supports skin health and the immune system as a powerful antioxidant.
Haematogenesis
Haematogenesis is the biological process by which all blood cells are produced and developed, primarily in the bone marrow. It is essential for oxygen transport, immune defence, and blood clotting.
Haematology
Haematology is the medical specialty focused on the study of blood, blood-forming organs, and their diseases, including conditions such as anaemia and leukaemia.
Haemochromatosis
Haemochromatosis is a hereditary disease in which the body absorbs too much iron from food and stores this excess iron in various organs.
Haemodialysis
Haemodialysis is a medical renal replacement therapy used in severe kidney failure to filter waste products and excess fluid from the blood outside the body.
Haemoglobin
Haemoglobin is an iron-containing protein in the red blood cells that is responsible for the transport of oxygen in the body.
Haemoglobinopathy
Haemoglobinopathies are inherited disorders affecting the structure or production of haemoglobin, the red blood pigment. They can cause anaemia and other serious health complications.
Haemolysis
Haemolysis is the breakdown of red blood cells, releasing haemoglobin into the bloodstream. It can range from a normal process to a life-threatening condition.
Haemophilus
Haemophilus is a genus of gram-negative bacteria that can cause various infections in humans, including pneumonia, meningitis, and middle ear infections.
Haemophilus aegypticus
Haemophilus aegypticus is a gram-negative bacterium that causes purulent conjunctivitis and Brazilian Purpuric Fever, primarily affecting children in tropical regions.
Haemophilus ducreyi
Haemophilus ducreyi is a gram-negative bacterium and the causative agent of chancroid, a sexually transmitted infection characterized by painful genital ulcers and swollen lymph nodes.
Haemophilus parainfluenzae
Haemophilus parainfluenzae is a gram-negative bacterium that is part of the normal oral flora but can cause serious infections such as endocarditis or respiratory disease.
Haemophilus paraphrophilus
Haemophilus paraphrophilus is a gram-negative bacterium of the normal oral flora that can, in rare cases, cause serious infections such as endocarditis or brain abscesses.
Haemorrhoids
Haemorrhoids are dilated vascular cushions in the rectum that play an important role in the fine sealing of the anus.
Hair Follicle Inflammation
Hair follicle inflammation, known medically as folliculitis, is an infection or irritation of the hair follicles. It typically appears as red, itchy pustules on the skin.
Hair Growth
Hair growth is the biological process by which hair is formed and lengthened in hair follicles. It occurs in cycles and is influenced by hormones, nutrition, and genetics.
Hair loss (alopecia)
Hair loss, medically known as alopecia, is the excessive loss of hair, which can have various causes.
Hair Transplantation
Eine Haartransplantation ist ein chirurgisches Verfahren zur dauerhaften Wiederherstellung von Haaren bei lichtem Haar oder Haarausfall.
Hairline Fracture
A hairline fracture is a thin, hair-fine crack in a bone, often caused by repetitive stress or overuse. It causes localized pain and requires medical evaluation.
Hairy Cell Leukemia
Hairy cell leukemia is a rare, slow-growing blood cancer in which abnormal B-lymphocytes with hair-like projections accumulate in the bone marrow and spleen.
Hallux valgus
Hallux valgus ist eine Fehlstellung der Großzehe, bei der sich diese zur Fußaußenseite neigt und das Grundgelenk deutlich hervortritt.
Halsschmerzen
Halsschmerzen gehören zu den häufigsten Symptomen im Bereich der oberen Atemwege und entstehen meist durch eine Entzündung der Schleimhäute im Rachenraum (Pharyngitis).
Hämatokrit
Der Hämatokrit ist der prozentuale Anteil der zellulären Bestandteile, insbesondere der roten Blutkörperchen, am Gesamtvolumen des Blutes.
Hämolytisch-urämische Syndrom (HUS)
Das hämolytisch-urämische Syndrom (HUS) ist eine schwere Erkrankung, die zu Nierenversagen führen kann. Erfahre mehr über Symptome, Ursachen und Therapieansätze.
Hand-foot-and-mouth disease (HFMK)
Hand-foot-and-mouth disease is a contagious viral disease with blisters on the hands, feet and mouth. Find out more about symptoms, infection and treatment options.
Hantavirus
Das Hantavirus ist ein weltweit verbreitetes RNA-Virus aus der Familie der Bunyaviridae, das beim Menschen schwere Erkrankungen hervorrufen kann.
Hantavirus Infection
Hantavirus infection is a viral disease transmitted by rodents that can affect the lungs or kidneys. Early diagnosis and supportive treatment are essential for recovery.
Hardening Cure
A hardening cure is a structured practice of gradually exposing the body to cold stimuli, contrast showers, or outdoor conditions to strengthen the immune system and improve resilience against infections.
Hashimoto Diet
The right diet for Hashimoto thyroiditis can help reduce inflammation and improve well-being. Learn which foods are beneficial and which to avoid.
hashimoto personality changes
Hashimoto thyroiditis can cause not only physical symptoms but also personality changes driven by thyroid hormone imbalances affecting brain function.
Hashimoto's Thyroiditis
Hashimoto-Thyreoiditis ist eine Autoimmunerkrankung, bei der das eigene Immunsystem die Schilddrüse angreift.
Hawthorn Berry
Hawthorn berries support heart and circulation, reduce oxidative stress, and strengthen blood vessels. Learn more about their traditional use for heart health and blood pressure.
hcg level chart
The HCG level chart shows how the pregnancy hormone hCG develops during early pregnancy. It helps assess the progress of a pregnancy week by week.
Head Louse
The head louse is a small insect that lives on the human scalp and feeds on blood. Head lice infestations are very common, especially among school-age children.
Headache in the Back of the Head
Headaches at the back of the head are a common symptom with many possible causes. Learn about causes, symptoms, diagnosis, and treatment options.
Healing Phase
The healing phase describes the biological process by which the body repairs wounds or tissue damage. It progresses through several successive stages.
Health Nerds
Der Health Nerds Podcast liefert seit 2020 wissenschaftlich fundierte Inhalte zu Mikronährstoffen, Darmgesundheit und Prävention. Mit Gästen wie Pamela Reif und Susanne Liedtke – auf Spotify & Apple Podcast.
Healthspan
Healthspan bezeichnet die Lebensspanne, in der ein Mensch bei guter Gesundheit lebt – frei von chronischen Krankheiten und Funktionseinschränkungen. Sie ist ein zentrales Konzept der modernen Präventivmedizin.
Healthy Aging
Healthy aging is the process of maintaining physical, mental, and social well-being as you grow older. Discover key strategies to support a long, active, and fulfilling life.
Healthy nutrition
Eine gesunde Ernährung versorgt den Körper mit allen notwendigen Makro- und Mikronährstoffen, hält den Blutzuckerspiegel stabil, stärkt das Immunsystem und kann das Risiko für zahlreiche Zivilisationskrankheiten deutlich senken.
Heart attack
A heart attack occurs when a blood vessel in the heart (coronary artery) becomes blocked and the heart muscle is no longer supplied with sufficient oxygen.
Heart Attack Symptoms
Ein Herzinfarkt (Myokardinfarkt) entsteht, wenn ein Herzkranzgefäß plötzlich verschlossen wird und der Herzmuskel nicht mehr ausreichend mit Sauerstoff versorgt ist.
Heart Disease Prevention
Heart disease prevention includes all measures aimed at reducing the risk of cardiovascular disease. A healthy lifestyle, regular exercise, and medical check-ups can significantly lower the risk of heart disease.
Heart Failure
Heart failure is a condition in which the heart cannot pump enough blood to meet the body's needs. It causes symptoms such as breathlessness, fatigue, and fluid retention.
Heart Failure
Heart failure is a serious condition in which the heart can no longer pump enough blood to meet the body´s needs. Early diagnosis and treatment are essential to improve quality of life.
Heart health
Heart health describes the condition and performance of the cardiovascular system and is a central pillar of general health.
Heart Palpitations
Heart palpitations are the uncomfortable sensation of a fast, pounding, or irregular heartbeat. They can be harmless or indicate an underlying heart condition.
Heart Rate
Heart rate indicates how many times the heart beats per minute. It is a key vital sign that provides important information about cardiovascular health and overall wellbeing.
Heart Rate Control
Heart rate control is a medical strategy used to regulate the heart rate in patients with arrhythmias such as atrial fibrillation. The goal is to keep the heart beating at a safe and efficient rate.
Heart Rhythm Control
Heart rhythm control refers to the medical monitoring and regulation of the heartbeat to detect and treat dangerous cardiac arrhythmias effectively.
Heart rhythm disturbances (arrhythmias)
Cardiac arrhythmias are irregularities of the heartbeat, which can manifest themselves as too fast (tachycardia), too slow (bradycardia) or irregular heartbeat.
Heart Valve
A heart valve is a structure in the heart that controls blood flow in the correct direction. Heart valve diseases can significantly impair cardiac function.
Heart Valve Disease
Heart valve disease occurs when one or more of the heart valves do not work properly, affecting blood flow through the heart and potentially causing serious symptoms.
Heartburn (pyrosis)
Heartburn is a burning sensation behind the breastbone caused by the reflux of stomach acid into the oesophagus.
Heartburn During Pregnancy
Heartburn during pregnancy is a very common complaint caused by stomach acid flowing back into the esophagus. Learn about causes, symptoms, and safe treatment options.
Heat Exhaustion
Heat exhaustion is a serious heat-related illness caused by overheating and fluid loss. Key signs include heavy sweating, dizziness, and weakness. Prompt cooling and rehydration are essential.
Heat Stroke
Heat stroke is a life-threatening emergency in which the body temperature rises above 40 °C. Immediate cooling and medical attention are essential to prevent serious complications.
Heavy Metal Detox
Die Schwermetallausleitung ist ein therapeutisches Verfahren zur Entfernung toxischer Metalle wie Quecksilber, Blei, Cadmium oder Arsen aus dem menschlichen Körper.
Heel Walking
Heel walking is a neurological functional test in which a person walks solely on their heels with toes raised. It assesses balance, coordination, and nerve function in clinical examinations.
Heerfordt Syndrome
Heerfordt syndrome is a rare manifestation of sarcoidosis characterized by parotid gland swelling, uveitis, facial nerve palsy, and fever.
Heilpraktiker Ausbildung
Die Heilpraktiker Ausbildung öffnet den Weg in die Naturheilkunde. Erfahre alles über Inhalte, Dauer, typische Kosten und renommierte Anbieter wie Paracelsus Schulen und KPNI Akademie.
Heilpraktiker für Psychotherapie
Ein Heilpraktiker für Psychotherapie ist eine nach dem Heilpraktikergesetz zugelassene Person, die psychische Erkrankungen eigenverantwortlich diagnostizieren und behandeln darf – ohne Approbation als Arzt oder Psychologischer Psychotherapeut.
Heilpraktikerschule Isolde Richter
Die Heilpraktikerschule Isolde Richter mit Sitz in Baden-Württemberg gehört zu den bekanntesten deutschen Fernschulen im Bereich Naturheilkunde, Psychotherapie und ganzheitlicher Medizin.
Heister Valve
The Heister valve is a spiral fold of mucous membrane inside the cystic duct that helps regulate bile flow and is named after the anatomist Lorenz Heister.
Helicobacter
Helicobacter pylori is a gram-negative bacterium that can colonize the stomach.
Helicobacter pylori Eradication
Helicobacter pylori eradication refers to the targeted antibiotic-based treatment to completely eliminate the stomach bacterium Helicobacter pylori and prevent related diseases.
Hemagglutinin
Hemagglutinin is a surface protein of influenza viruses that enables binding to human cells and serves as the primary target for flu vaccines.
Hemangioma
A hemangioma is a benign vascular tumor made up of an overgrowth of blood vessels. It is most common in infants and typically resolves on its own over time.
Hemangiomas
Ein Blutschwämmchen (Hämangiom) ist eine gutartige Gefäßneubildung der Haut oder innerer Organe, die durch eine Vermehrung von Blutgefäßen entsteht.
Hematoma Evacuation
Hematoma evacuation is a surgical procedure to remove accumulated blood from a hematoma. It is performed when a hematoma causes pain, pressure, or serious complications.
Hematopoietic Stem Cell
Hematopoietic stem cells are immature precursor cells found in the bone marrow that give rise to all types of blood cells. They are essential for the immune system and blood formation.
Hematopoietic Stem Cell Transplantation
Hematopoietic stem cell transplantation is a procedure in which diseased blood stem cells are replaced with healthy ones. It is used to treat serious blood and bone marrow disorders.
Heme Synthesis
Heme synthesis is the biochemical process by which the body produces heme, a vital iron-containing component of hemoglobin that enables oxygen transport in the blood.
hemicellulase
A hemicellulase is an enzyme that can break down hemicellulose. Hemicellulose is a polysaccharide. It supports digestion.
Hemicolectomy
A hemicolectomy is a surgical procedure in which part of the large intestine is removed. It is commonly performed to treat colorectal cancer, severe inflammation, or other colon conditions.
Hemofiltration
Hemofiltration is a renal replacement therapy in which blood is filtered outside the body by a machine. It is primarily used for acute kidney injury in intensive care settings.
Hemoglobin Level
The hemoglobin level measures the concentration of the red blood pigment in the blood and is a key laboratory value for assessing the body's oxygen supply.
Hemophilia A
Hemophilia A is an inherited bleeding disorder caused by a deficiency of clotting factor VIII. Those affected tend to experience prolonged and excessive bleeding.
Hemoptysis
Hemoptysis refers to coughing up blood or blood-streaked mucus from the airways. It can be a sign of serious lung or bronchial conditions and always requires medical evaluation.
Hemorrhagic Diathesis
Hemorrhagic diathesis refers to an abnormal tendency to bleed, caused by disorders of blood clotting, blood vessels, or platelets.
hemorrhoid cream
A hemorrhoid cream relieves symptoms such as itching, burning, and swelling in the anal area. It is applied topically and is one of the most commonly used treatments for hemorrhoids.
Hemostasis
Hemostasis is the body's natural process of stopping bleeding after a blood vessel injury. It involves blood vessels, platelets, and clotting factors working together.
Hemostasis
Hemostasis is the natural process by which the body stops bleeding and seals wounds. It involves vascular response, platelets, and the coagulation cascade to prevent excessive blood loss.
Hemp protein
Hemp protein is obtained from the seeds of the hemp plant (Cannabis sativa) and is a natural, plant-based source of protein with a remarkably high content of fibre, vitamins, minerals and essential fatty acids.
Henle-Koch Postulates
The Henle-Koch Postulates are foundational criteria in infectious disease science used to establish whether a microorganism causes a specific disease.
Heparin-Induced Thrombocytopenia
Heparin-induced thrombocytopenia (HIT) is a serious immune-mediated complication of heparin therapy characterized by a drop in platelet count and a paradoxically increased risk of dangerous blood clots.
Hepatic Encephalopathy
Hepatic encephalopathy is a brain dysfunction caused by severe liver disease. It leads to confusion, impaired consciousness, and neurological deficits due to the buildup of toxic substances in the blood.
Hepatic Uptake
Hepatic uptake describes the process by which substances are transported from the bloodstream into liver cells. It is essential for metabolism, detoxification, and drug processing.
Hepatitis A
Hepatitis A is a liver infection caused by the hepatitis A virus (HAV), typically spread through contaminated food or water, and in most cases resolves completely without becoming chronic.
Hepatitis B
Hepatitis B is a viral liver infection caused by the hepatitis B virus (HBV). It can be acute or chronic and may lead to serious liver damage if left untreated.
Hepatitis B Surface Antigen
The hepatitis B surface antigen (HBsAg) is a protein found on the outer coat of the hepatitis B virus and the primary blood marker used to diagnose a hepatitis B infection.
Hepatitis C
Hepatitis C is a liver infection caused by the hepatitis C virus (HCV) that can become chronic and lead to liver cirrhosis or liver cancer if left untreated.
Hepatitis C Virus
The Hepatitis C Virus (HCV) causes liver inflammation and can become chronic. Learn about transmission, symptoms, diagnosis, and modern treatment options.
Hepatitis D
Hepatitis D is a liver disease caused by the hepatitis D virus (HDV), which can only occur in people already infected with hepatitis B. It may take an acute or chronic course.
Hepatocellular Carcinoma
Hepatocellular carcinoma (HCC) is the most common type of primary liver cancer. It typically develops in the context of chronic liver disease and requires early diagnosis and treatment.
Hepatocellular Carcinoma
Hepatocellular carcinoma (HCC) is the most common primary liver cancer, typically developing in patients with chronic liver disease or cirrhosis. Early detection significantly improves treatment outcomes.
Hepatocyte Necrosis
Hepatocyte necrosis refers to the pathological death of liver cells caused by toxic, ischemic, or inflammatory damage. It is a hallmark of severe liver disease and can lead to acute liver failure.
Hepatojugular
The hepatojugular reflux is a clinical sign indicating heart failure or elevated venous pressure. Pressure applied to the liver causes a visible rise in the jugular veins of the neck.
Hepatopulmonary
Hepatopulmonary syndrome is a serious complication of liver disease in which abnormal widening of lung blood vessels leads to low oxygen levels in the blood.
Hepatorenal
Hepatorenal refers to the relationship between the liver and kidneys. Hepatorenal syndrome is a severe kidney disorder occurring as a complication of advanced liver disease.
Hepatorenal Syndrome
Hepatorenal syndrome (HRS) is a severe form of kidney failure occurring in patients with advanced liver disease. It is caused by circulatory disturbances and is life-threatening without prompt treatment.
Herbal Therapy
Herbal therapy uses medicinal plants and their active compounds to treat and prevent illness. It is a recognized field within complementary and integrative medicine.
Hereditary Angioedema
Hereditary angioedema (HAE) is a rare, genetically inherited condition causing recurrent episodes of swelling in the skin, abdomen, and airways, which can be life-threatening.
Hereditary Ataxia
Hereditary ataxia refers to a group of inherited neurological disorders causing progressive loss of coordination and balance. Genetic defects damage the cerebellum and spinal cord, leading to increasing motor impairment.
Hereditary Metabolic Disease
Hereditary metabolic diseases are genetically caused conditions in which the body cannot properly process certain substances. They result from mutations in genes that encode metabolic enzymes or transport proteins.
Hereditary Spherocytosis
Hereditary spherocytosis is an inherited disorder of red blood cells in which they take on a spherical rather than a normal disc shape, causing them to be broken down prematurely.
Hereditary Tyrosinemia Type I
Hereditary tyrosinemia type I is a rare inherited metabolic disorder affecting the breakdown of the amino acid tyrosine, leading to severe liver and kidney damage if untreated.
Herniated Disc Exercises
Targeted exercises for a herniated disc can relieve pain, stabilize the spine, and support recovery. Learn which movements are safe and effective.
Herniated Disc Treatment
Herniated disc treatment includes both conservative and surgical options. The goal is to relieve pain and restore mobility as effectively as possible.
Heroin Intoxication
Heroin intoxication is a life-threatening overdose caused by the opioid drug heroin. It can lead to respiratory arrest and death, requiring immediate emergency medical care.
Herpes simplex
Herpes simplex is a widespread viral infection caused by viruses of the Herpesviridae family.
Herpes zoster
Herpes zoster, also known as shingles, is an infection caused by the varicella zoster virus (VZV).
Herpetic Gingivostomatitis
Herpetic gingivostomatitis is a painful inflammation of the oral mucosa and gums caused by herpes simplex virus type 1 (HSV-1), most commonly seen in young children.
Hertoghe Sign
The Hertoghe sign refers to the loss or thinning of the outer third of the eyebrows and is a clinical indicator of hypothyroidism or other systemic conditions.
Herzfrequenzvariabilität
Die Herzfrequenzvariabilität (HRV) beschreibt die zeitlichen Schwankungen zwischen zwei Herzschlägen und somit die Flexibilität, mit der das Herz auf innere und äußere Reize reagiert.
Herzglykoside
Herzglykoside wie Digoxin steigern die Herzleistung bei Herzschwäche, insbesondere bei Vorhofflimmern. Ihre Anwendung erfordert sorgfältige Kontrolle wegen möglicher Nebenwirkungen.
Heuschnupfen
Heuschnupfen, medizinisch als allergische Rhinitis bezeichnet, ist eine überempfindliche Reaktion des Immunsystems auf eigentlich harmlose Pollen von Bäumen, Gräsern oder Kräutern.
Hexokinase
Hexokinase is a key enzyme in sugar metabolism that converts glucose into glucose-6-phosphate, thereby initiating the process of glycolysis and energy production.
Hiatal hernia
Ein Zwerchfellbruch ist eine Verlagerung von Anteilen des Magens durch eine Öffnung im Zwerchfell in den Brustraum.
Hiatus levatorius
The hiatus levatorius is an anatomical opening in the pelvic floor through which the urethra, vagina, and rectum pass. It plays a key role in pelvic floor health.
Hidradenitis Suppurativa
Hidradenitis suppurativa is a chronic inflammatory skin condition causing painful nodules, abscesses, and scarring in skin folds. Learn about causes, symptoms, and treatment options.
HIFEM (High Intensity Focused Electromagnetic Technology)
HIFEM (High-Intensity Focused Electromagnetic Technology) is an advanced medical technology that uses high-intensity focused electromagnetic impulses.
High Blood Pressure
High blood pressure (hypertension) is a chronic condition where the force of blood against artery walls is persistently elevated. It is a leading risk factor for heart attack and stroke.
High blood pressure (hypertension)
High blood pressure, also known as hypertension, is a common condition in which blood pressure is permanently too high.
High sensitivity
Hochsensibilität beschreibt eine ausgeprägte Sensitivität gegenüber inneren und äußeren Reizen, die mit einer intensiveren Wahrnehmung und Verarbeitung von Eindrücken einhergeht.
High-Density Lipoprotein
High-density lipoprotein (HDL) is a blood lipid transport protein that carries cholesterol from the arteries back to the liver and is widely known as good cholesterol.
high-fiber foods
High-fiber foods are plant-based foods rich in dietary fiber that support digestion, stabilize blood sugar levels, and help reduce the risk of heart disease.
High-Histamine Foods
High-histamine foods contain elevated levels of histamine and can trigger intolerance reactions in sensitive individuals. Common sources include aged cheeses, red wine, canned fish, and fermented products.
High-intensity interval training (HIIT)
High-intensity interval training (HIIT) is a training approach that combines short, intensive phases of exertion with active recovery phases.
High-Protein Diet
A high-protein diet is an eating pattern with an increased proportion of protein. It supports muscle growth, satiety, and metabolism – popular in sports, weight loss, and clinical nutrition.
Hilar Lymph Node Tuberculosis
Hilar lymph node tuberculosis is a form of TB affecting the lymph nodes at the lung hilum. It occurs most frequently in children and requires prompt treatment.
Hip Abductors
The hip abductors are muscles that move the leg away from the body sideways. They stabilize the hip and pelvis during walking, running, and standing.
Hip Endoprosthesis
A hip endoprosthesis is an artificial hip joint implanted to relieve chronic pain and restore mobility when the natural joint is severely damaged by wear or injury.
Hip Musculature
The hip musculature includes all muscles surrounding the hip joint. It enables movement, stability, and an upright posture in everyday life and sport.
Hip Osteoarthritis
Hip osteoarthritis (coxarthrosis) is a degenerative condition in which the cartilage of the hip joint gradually wears away, causing pain, stiffness, and reduced mobility.
Hip Replacement
Hip replacement is a surgical procedure in which a damaged hip joint is replaced with an artificial implant. It relieves pain and restores mobility in patients with severe joint disease.
Hippocampus
The hippocampus is a central part of the brain that plays an important role in memory formation, learning and spatial orientation.
Hippopotomonstrosesquippedaliophobia
Hippopotomonstrosesquippedaliophobia is the irrational fear of long words. It is classified as a specific phobia and can significantly affect daily life, education, and social interactions.
Hirnaneurysma
Ein Hirnaneurysma ist eine sackartige Ausbuchtung einer Arterie im Gehirn, die durch eine Schwäche der Gefäßwand entsteht.
Histamine Blockade
Histamine blockade refers to the targeted inhibition of histamine activity in the body using medications. It is used to treat allergies, stomach conditions, and various other disorders.
Histamine Degradation
Histamine degradation refers to the enzymatic processes by which the body breaks down and neutralises histamine. Impaired degradation can lead to histamine intolerance and related symptoms.
Histamine Degradation Rate
The histamine degradation rate describes how quickly the body enzymatically breaks down ingested histamine. It is key to tolerating histamine-rich foods.
Histamine Diet
The histamine diet is a dietary approach that avoids histamine-rich foods to relieve symptoms of histamine intolerance, such as skin reactions, headaches, and digestive issues.
Histamine intolerance
Histamine intolerance is a food intolerance in which the body absorbs too much histamine or cannot break it down sufficiently.
Histamine Intolerance
Histamine intolerance refers to the reduced ability of the body to break down histamine from food. Common symptoms include headaches, skin reactions, and gastrointestinal complaints.
Histamine Receptor
Histamine receptors are proteins on cell surfaces that bind the signaling molecule histamine, triggering responses such as allergic reactions, gastric acid secretion, and immune modulation.
Histamine Release
Histamine release refers to the secretion of histamine from immune cells in the body. It plays a key role in allergies, intolerances, and inflammatory reactions.
Histamine Tolerance Test
The histamine tolerance test evaluates whether the body can adequately break down histamine. It helps diagnose histamine intolerance and explains symptoms such as headaches or skin reactions.
Histamine-Degrading Enzyme
A histamine-degrading enzyme breaks down histamine in the body. A deficiency of these enzymes can lead to histamine intolerance and a range of uncomfortable symptoms.
Histopathological
Histopathological refers to the microscopic examination of tissue samples to detect disease-related changes. It is a fundamental method in medical diagnostics.
Histopathology
Histopathology is the microscopic examination of tissue samples to diagnose disease. It is a cornerstone method in medical diagnostics and clinical pathology.
HIV symptoms
HIV symptoms vary by stage of infection, ranging from flu-like signs to severe immune deficiency. Early diagnosis is key to effective treatment and long-term health.
Hives (urticaria)
Hives, also known as urticaria, is a skin condition characterised by reddish, itchy wheals and swelling.
HMG-CoA Reductase
HMG-CoA reductase is a key enzyme in the body's own cholesterol synthesis. Its inhibition by statins is a central principle of modern lipid-lowering therapy.
Holo-Lactoferrin
Holo Lactoferrin is an iron-saturated form of lactoferrin that plays an important role in iron supply and immune support.
Holter ECG
A Holter ECG is a diagnostic method for continuous recording of heart activity over a period of usually 24 to 72 hours.
Home birth
Eine Hausgeburt ist eine geplante Geburt außerhalb eines Krankenhauses, meist im eigenen Zuhause, unter Betreuung einer Hebamme.
Homeopathy
Homeopathy is an alternative medical treatment method based on the principles of the German doctor Samuel Hahnemann (1755-1843).
Homocysteine
Homocysteine is a sulfur-containing amino acid produced during metabolism. Elevated blood levels are considered a risk factor for cardiovascular disease and vascular damage.
Homocysteine
Homocystein ist eine Aminosäure, die im Körper als Zwischenprodukt des Stoffwechsels von Methionin (eine essentielle Aminosäure aus der Nahrung) entsteht.
Homosalate
Homosalate is a chemical UV filter used in sunscreens and cosmetic products. It absorbs UV-B radiation, helping to protect the skin from sunburn.
Hops Flowers
Hops flowers have calming, sleep-inducing and hormone-balancing effects. Learn how they help with insomnia, nervous tension and menopausal symptoms.
Hormonal acne
Hormonal acne is caused by internal imbalances. Find out how to recognise it, what really helps - and why lactoferrin can provide anti-inflammatory support.
Hormonal Balance
Hormonal balance refers to the equilibrium of all hormones in the body. Disruptions can cause a wide range of symptoms and affect people of all ages.
Hormonal Regulation
Hormonal regulation refers to the body mechanisms that control the production and release of hormones. It maintains hormonal balance and is essential for metabolism, growth, and reproduction.
Hormone Analysis
Hormone analysis is a medical test that measures hormone levels in blood, urine, or saliva. It helps detect hormonal imbalances early and supports targeted treatment of endocrine disorders.
Hormone Panel
A hormone panel is a diagnostic test that measures the concentration of various hormones in blood, urine, or saliva to assess hormonal balance and detect disorders.
Hormone Profile
A hormone profile is a blood test that measures the levels of multiple hormones at once. It helps detect hormonal imbalances early and supports targeted, effective treatment.
Hormone Replacement Therapy
Hormone Replacement Therapy (HRT) replenishes hormones that decline during menopause, relieving symptoms such as hot flashes, sleep disturbances, and mood changes.
Hormone Therapy
Hormone therapy is a medical treatment in which hormones are used to regulate or balance hormone levels in the body, addressing deficiencies or hormone-dependent conditions.
Hospital Admission Referral
A hospital admission referral is an official medical order issued by a physician to admit a patient to a hospital or clinic for inpatient treatment.
Hot Flashes Symptoms
Hot flashes are sudden feelings of intense heat, usually in the face and upper body, often accompanied by sweating and a rapid heartbeat. They are common during menopause.
House Dust Mite Allergy
House dust mite allergy is one of the most common allergic conditions, triggered by proteins found in mite droppings. Symptoms include sneezing, nasal congestion, and asthma.
HPO (Berufsvereinigung für heilkundliche Osteopathie e.V.)
Die HPO (Berufsvereinigung für heilkundlich praktizierte Osteopathie e.V.) ist ein berufsständischer Verband zur Interessenvertretung von Osteopathen mit heilkundlicher Tätigkeit in Deutschland.
HRT - Hormone Replacement Therapy
Hormone replacement therapy helps alleviate menopause symptoms such as hot flashes and sleep disturbances. Learn more about its effects, risks, and types.
HTLV Virus
The HTLV virus (Human T-lymphotropic Virus) is a retrovirus that infects immune system T-cells and can cause serious diseases such as leukemia or neurological disorders.
Hueter Line
The Hueter line is an anatomical reference line at the elbow used in clinical examination to assess bone alignment and detect injuries such as fractures or dislocations.
Hueter Triangle
The Hueter triangle is an anatomical landmark of the elbow used in clinical examination to assess injuries and malalignments of the elbow joint.
Hüftdysplasie
Die Hüftdysplasie ist eine angeborene oder erworbene Fehlstellung des Hüftgelenks, bei der die Hüftpfanne den Oberschenkelkopf nicht ausreichend bedeckt.
Hühnerauge
Ein Hühnerauge (medizinisch: Clavus) ist eine lokal begrenzte Verdickung der Hornhaut, die durch wiederholten Druck oder Reibung auf der Haut entsteht.
Hülsenfrüchte
Hülsenfrüchte wie Linsen, Bohnen & Kichererbsen sind protein- & ballaststoffreich. Sie fördern Darm, Blutzucker & Herzgesundheit – ideal für vegane und gesunde Ernährung.
Hultén Variant
The Hultén variant describes the length relationship between the ulna and radius at the wrist and is clinically relevant in wrist pain and injuries.
Human Energetic Interventions
Als humanenergetische Interventionen werden alternativmedizinische Methoden bezeichnet, die auf der Annahme beruhen, dass der Mensch über ein feinstoffliches Energiesystem verfügt, das durch gezielte Techniken harmonisiert werden kann.
Human Pegivirus
The Human Pegivirus is an RNA virus of the Flaviviridae family that is widespread worldwide and generally does not cause disease in humans.
Huntington´s Disease
Huntington's disease is a hereditary, progressive brain disorder causing uncontrolled movements, cognitive decline, and psychiatric symptoms.
Huperzine A
Huperzine A is a natural plant-derived compound from Chinese club moss that acts as an acetylcholinesterase inhibitor, supporting memory and cognitive function.
Hutchinson-Gilford Syndrome
Hutchinson-Gilford Syndrome is an extremely rare genetic disorder causing rapid premature aging in children. Affected children age approximately seven times faster than normal.
Hyaloid Artery
The hyaloid artery is a temporary embryonic blood vessel in the eye that supplies the developing lens and vitreous humor during fetal development, and normally disappears completely before birth.
Hyaluronic Acid
Hyaluron (auch Hyaluronsäure) ist eine körpereigene Substanz, die zur Gruppe der Glykosaminoglykane gehört.
Hyaluronidase
Hyaluronidase is an enzyme that breaks down hyaluronic acid. It is used medically as an adjuvant and as an antidote for filler-related complications.
Hydatid Torsion
Hydatid torsion is the twisting of a small embryonic tissue appendage on the testis or epididymis, causing sudden scrotal pain and affecting mainly children and adolescents.
Hydragogue
Hydragogues are substances that promote the secretion of water into the intestine, producing a strongly watery stool. They are used in medicine for bowel preparation and severe constipation.
Hydrocephalus
Hydrocephalus is a condition in which excess cerebrospinal fluid builds up in the brain ventricles, increasing pressure inside the skull and potentially causing brain damage.
Hydrochloric Acid
Hydrochloric acid (HCl) is a strong acid naturally produced in the human stomach that plays a key role in digestion, enzyme activation, and protection against pathogens.
Hydrochlorothiazide
Hydrochlorothiazide is a thiazide diuretic used to treat high blood pressure and fluid retention. It works by increasing the amount of water and salt the kidneys remove from the blood.
Hydrogen Chloride
Hydrogen chloride (HCl) is a colorless, pungent gas that forms hydrochloric acid when dissolved in water. It has important medical and industrial applications.
Hydrogen Cyanide
Hydrogen cyanide (HCN), also known as prussic acid, is a highly toxic chemical compound found in nature and industry that can cause life-threatening poisoning even in small amounts.
Hydrogenated Cotton Seed Oil
Cotton seed oil contains monounsaturated fats that lower blood cholesterol levels. Due to its high content of polyunsaturated fatty acids, it is known as "heart oil".
Hydrolysate
Hydrolysate sind Produkte einer Hydrolyse, bei der große Nährstoffmoleküle wie Proteine oder Kohlenhydrate enzymatisch, chemisch oder durch Wasser in kleinere Bestandteile wie Peptide, Aminosäuren oder Zucker aufgespalten werden.
Hydrolysed guar
Hydrolysed guar is a prebiotic dietary fibre obtained from guar beans. It supports the health of the gastrointestinal tract and promotes metabolism.
Hydrolysis Product
A hydrolysis product is a substance formed when a chemical compound is broken down by water. In medicine and nutrition, hydrolysis products play a key role in digestion and nutrient processing.
Hydrolyzed Collagen
Hydrolyzed collagen is a dietary supplement made from enzymatically broken-down collagen peptides. It supports skin, joints, and bones and is efficiently absorbed by the body.
Hydromorphone
Hydromorphone is a potent opioid analgesic used to treat severe pain. It acts on the central nervous system and is approximately 5 to 7.5 times more potent than morphine.
Hydronium Ion
The hydronium ion (H3O+) is formed when a proton binds to a water molecule. It is central to understanding acids, bases, and pH levels in the human body.
Hydrotherapy
Hydrotherapy is the therapeutic use of water to treat and prevent health conditions. It includes baths, showers, compresses, and water-based exercises.
Hydroxylapatite
Hydroxylapatite is a naturally occurring calcium phosphate mineral that forms the main inorganic component of bones and tooth enamel, with wide applications in medicine and dentistry.
Hydroxypropyl methylcellulose
Hydroxypropyl methylcellulose is a synthetic polymer derived from cellulose, a natural polysaccharide. It is used as a capsule shell.
Hygroscopicity
Hygroscopicity describes the ability of a substance to absorb and retain moisture from the surrounding air. In medicine and pharmacy, this property is highly relevant for storage and drug stability.
Hyperaldosteronism
Hyperaldosteronism is a condition in which the adrenal glands produce too much aldosterone, leading to high blood pressure and low potassium levels.
Hyperbilirubinemia
Hyperbilirubinemia refers to elevated bilirubin levels in the blood. It can cause jaundice and may indicate liver, bile duct, or blood disorders.
Hypercalcemia
Hypercalcemia refers to abnormally high calcium levels in the blood. It can affect the bones, kidneys, and nervous system and has a range of underlying causes.
Hypercholesterolemia
Hypercholesterinämie bezeichnet dauerhaft erhöhte Cholesterinwerte im Blut und zählt zu den wichtigsten Risikofaktoren für Atherosklerose, Herzinfarkt und Schlaganfall.
Hypercoagulability
Hypercoagulability refers to an increased tendency of the blood to clot, raising the risk of thrombosis and embolism. It can be inherited or acquired.
Hyperglycemic Shock
Hyperglycemic shock is a life-threatening emergency caused by an extreme rise in blood sugar levels. It requires immediate medical attention.
Hyperhidrosis
Hyperhidrose ist eine Erkrankung, bei der es zu übermäßiger Schweißbildung kommt.
Hyperinsulinism
Hyperinsulinism is a condition in which the pancreas produces excessive amounts of insulin, leading to dangerously low blood sugar levels. Causes range from genetic disorders to insulin-producing tumors.
Hyperkalemia
Hyperkalemia refers to an elevated potassium level in the blood. It can cause dangerous heart rhythm disturbances and requires prompt medical attention.
Hyperlactatemia
Hyperlactatemia refers to an elevated lactate level in the blood and may indicate impaired oxygen supply or a metabolic disorder.
Hyperlipidemia
Hyperlipidemia refers to elevated levels of fats in the blood, particularly cholesterol and triglycerides. It is a major risk factor for cardiovascular disease.
Hyperoxaluria
Hyperoxaluria is a metabolic disorder characterized by elevated levels of oxalate in the urine, which can lead to kidney stones and serious kidney damage.
Hyperoxygenation
Hyperoxygenation refers to the delivery of oxygen at concentrations exceeding the body's normal physiological requirements. It is used therapeutically in medicine but also carries significant risks.
Hyperparathyroidism
Hyperparathyroidism is a condition in which the parathyroid glands produce too much parathyroid hormone, leading to elevated calcium levels in the blood.
Hyperpigmentation
Hyperpigmentation refers to a darkening of the skin caused by excess melanin production. It is usually harmless but can sometimes indicate an underlying condition.
Hypersalivation
Hypersalivation refers to excessive saliva production or a reduced ability to swallow saliva. It can be caused by diseases, medications, or neurological disorders.
Hypersplenism
Hypersplenism refers to an overactive spleen that excessively destroys blood cells, leading to anemia, increased bleeding risk, or greater susceptibility to infections.
Hypertensive Emergency
A hypertensive emergency is a life-threatening rise in blood pressure requiring immediate medical treatment to prevent serious organ damage.
Hyperthermia
Hyperthermia is a dangerous rise in body temperature above 37.5–38 °C that overwhelms the body's cooling mechanisms. It can become life-threatening and requires prompt medical attention.
Hyperthermia Treatment
Hyperthermia treatment is a medical therapy in which body tissue is deliberately heated to damage or destroy cancer cells and enhance the effects of other cancer therapies.
Hyperthyroid
Hyperthyroid describes a condition in which the thyroid gland is overactive and produces excess hormones. This accelerates metabolism and causes a wide range of symptoms throughout the body.
Hyperthyroidism
Hyperthyroidism is a condition in which the thyroid gland produces excessive amounts of thyroid hormones, accelerating the body´s metabolism and causing a wide range of symptoms.
Hyperthyroidism Symptoms
Hyperthyroidism occurs when the thyroid gland produces too many hormones. Key symptoms include rapid heartbeat, weight loss, and anxiety. Learn more here.
Hypertrichosis
Hypertrichosis is a condition characterized by excessive hair growth anywhere on the body, affecting both men and women. Causes range from genetic factors to medications and underlying medical conditions.
Hypertrichosis lanuginosa
Hypertrichosis lanuginosa is a rare condition characterized by the excessive growth of fine, lanugo-like hair covering the body. It may be congenital or acquired.
Hypertrichotic
Hypertrichotic describes a condition of excessive hair growth on the body that exceeds the normal range. It can affect men, women, and children of all ages.
Hypertrophic Osteoarthropathy
Hypertrophic osteoarthropathy is a condition characterized by clubbing of the fingers, watch-glass nails, and new bone formation along the long bones, often linked to an underlying disease.
Hypertyrosinemia
Hypertyrosinemia is a metabolic disorder characterized by abnormally elevated levels of the amino acid tyrosine in the blood. It can be inherited or acquired and may damage multiple organs.
Hypertyrosinemia Type II
Hypertyrosinemia type II is a rare inherited metabolic disorder characterized by elevated levels of the amino acid tyrosine in the blood, affecting the eyes, skin, and neurological development.
Hyperurikämie
Hyperurikämie bezeichnet einen erhöhten Harnsäurespiegel im Blut, der entsteht, wenn der Abbau von Purinverbindungen nicht im Gleichgewicht mit ihrer Ausscheidung steht.
Hypnobirthing
Hypnobirthing ist ein geburtsvorbereitendes Konzept, das durch Atemtechniken, Entspannungsübungen und mentale Strategien eine möglichst ruhige und selbstbestimmte Geburt unterstützen soll.
hypoallergenic
Hypoallergenic refers to products or substances that have a significantly reduced potential to cause allergic reactions, making them suitable for sensitive individuals.
Hypochonder
Ein Hypochonder beschreibt eine Person, die anhaltend davon überzeugt ist, schwer krank zu sein, obwohl dafür keine oder keine ausreichenden medizinischen Befunde vorliegen.
Hypochromia
Hypochromia refers to a reduced coloration of red blood cells caused by lower-than-normal hemoglobin content. It is a key diagnostic finding in various forms of anemia.
Hypogammaglobulinemia
Hypogammaglobulinemia is a condition characterized by abnormally low levels of gamma globulins (antibodies) in the blood, weakening the immune system and increasing susceptibility to infections.
Hypogastrium
The hypogastrium is the lower central region of the abdomen, located below the navel. It contains the bladder, uterus, and parts of the intestine.
Hypoglycaemia
Low blood sugar (hypoglycaemia) occurs when the blood sugar level falls below the normal range of around 70 mg/dl (3.9 mmol/l).
Hypoglycemia
Hypoglycemia refers to an abnormally low blood sugar level. It is most common in people with diabetes and can become life-threatening if left untreated.
Hypomochlion
The hypomochlion is the fulcrum or pivot point of a lever in medicine and biomechanics, such as a joint acting as the fixed point for muscle movement.
Hypoparathyroidism
Hypoparathyroidism is a rare condition in which the parathyroid glands produce too little parathyroid hormone. This leads to low blood calcium levels and can cause muscle cramps and tingling.
Hyposensitization
Hyposensitization is a medical treatment for allergies in which the immune system is gradually exposed to allergens to reduce long-term hypersensitivity and allergic reactions.
Hypotension
Hypotonie, auch als niedriger Blutdruck bekannt, tritt auf, wenn der Blutdruck im Vergleich zu den normalen Werten dauerhaft zu niedrig ist.
Hypothalamus
The hypothalamus is a vital control center in the brain that regulates essential body functions including temperature, sleep, hunger, thirst, and hormone production.
Hypothalamus Activation
Hypothalamus activation refers to the stimulation of this central brain region, which controls vital body functions such as hormone balance, sleep, and metabolism.
Hypothenar Muscles
The hypothenar muscles are a group of small muscles on the little finger side of the hand, enabling movement and fine motor control of the little finger.
Hypothyroidism
Hypothyroidism is a condition in which the thyroid gland does not produce enough thyroid hormones, leading to symptoms such as fatigue, weight gain, and cold sensitivity.
Hypovitaminosis
Hypovitaminosis refers to a deficiency of one or more vitamins in the body, caused by insufficient intake, impaired absorption, or increased demand, leading to a wide range of health problems.
Hysterectomy
Eine Hysterektomie ist die operative Entfernung der Gebärmutter (Uterus) und zählt zu einer der häufigsten gynäkologischen Eingriffen.
Hysterosalpingography
Hysterosalpingography (HSG) is an X-ray imaging procedure used to examine the uterus and fallopian tubes. It is commonly performed to investigate infertility and related conditions.
Die neusten Einträge
3 Posts in this encyclopedia categoryIntestinal Barrier
The intestinal barrier is a protective lining in the gut that selectively absorbs nutrients while blocking harmful substances and pathogens from entering the bloodstream.
Germ Reduction
Germ reduction refers to the targeted decrease of microorganisms such as bacteria, viruses, or fungi on surfaces, in food, or within the human body.
Cytokine Induction
Cytokine induction refers to the targeted stimulation of the body´s own cytokine production to enhance the immune response. It plays a central role in inflammatory processes and the defense against infections.
Die meistgelesenen Einträge
3 Posts in this encyclopedia categoryMagnesiumcarbonat
Magnesiumcarbonat ist eine anorganische Magnesiumverbindung mit säure-neutralisierender (antazidischer) Wirkung. Erfahre mehr über Vorteile, Einsatzgebiete und Unterschiede zu besser resorbierbaren Magnesiumformen.
Cologne list
The Cologne List ® is an important initiative in competitive sports that offers athletes guidance in the selection of nutritional supplements.
Calorie content
The choice of food influences our energy intake. The calorie content varies greatly - some provide little energy, others a lot.