Nicotine - effects, addictive potential and health risks
Nicotine acts quickly in the brain and is highly addictive. Find out more about the effects, addictive behaviour, health risks and modern forms of consumption such as e-cigarettes.
Wissenswertes über "Nicotine"
Nicotine acts quickly in the brain and is highly addictive. Find out more about the effects, addictive behaviour, health risks and modern forms of consumption such as e-cigarettes.
Nicotine is a naturally occurring alkaloid from the tobacco plant (Nicotiana tabacum) and is one of the strongest known neurotoxins. In low doses, it has a stimulating effect in humans, increases concentration in the short term, ensures an increased release of dopamine and thus leads to rapid addictive behaviour. When smoking or vaping, nicotine reaches the brain via the lungs within seconds and changes the activity of the reward system.
Even just a few cigarettes can lead to physical and psychological dependence. Regular consumption causes a development of tolerance, so that more and more nicotine is needed to achieve the desired effect. At the same time, withdrawal symptoms such as irritability, restlessness, difficulty concentrating and sleep disorders occur when the nicotine level in the blood drops. In addition to addiction, nicotine is also a cardiovascular risk factor, as it increases blood pressure.blood pressure, constricts the vessels and increases the heart rate.
Although nicotine itself is not considered the main cause of cancer, its cell-stimulating effect increases the risk of cancer. the risk of tumour growth and increases the harmfulness of other substances contained in smoke. It also has a negative effect on lung function, placenta supply during pregnancy and wound healing. New forms such as e-cigarettes, nicotine pouches and tobacco heaters also contain nicotine and, despite lower levels of harmful substances, have a high addictive potential - especially among young people.
🚬 Important facts about nicotine:
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Acts quickly in the brain, increases dopamine and creates addiction
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Causes cardiovascular risks, sleep disorders, irritability
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Contained in cigarettes, e-cigarettes, tobacco heaters, nicotine pouches
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Nicotine dependence is a recognised addiction disorder
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Withdrawal can be accompanied by nicotine replacement, behavioural therapy and medication
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