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Suicide: Causes, Warning Signs and Prevention

Suicide refers to the intentional act of ending one's own life. It is a complex event influenced by psychological, social, and biological factors, requiring both medical and societal attention.

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Things worth knowing about "Suicide"

Suicide refers to the intentional act of ending one's own life. It is a complex event influenced by psychological, social, and biological factors, requiring both medical and societal attention.

What is Suicide?

Suicide is the intentional act of ending one's own life. It is not a disease in itself, but rather an event that frequently occurs as a result of severe mental illness, extreme psychosocial stress, or a combination of multiple risk factors. Suicide is a serious public health issue and one of the leading causes of death worldwide.

Causes and Risk Factors

Suicide rarely results from a single cause. It typically arises from the interaction of multiple contributing factors:

Mental health disorders: Depression, bipolar disorder, schizophrenia, personality disorders, and substance use disorders are among the most common risk factors.
Previous suicide attempts: A prior attempt is one of the strongest predictors of a future attempt.
Social isolation: Loneliness, lack of social support, and experiences of loss significantly increase risk.
Traumatic experiences: Abuse, violence, bereavement, or severe life crises can act as triggering factors.
Biological factors: Genetic predisposition and neurobiological changes in the serotonin and dopamine systems are areas of ongoing research.
Access to means: Easy access to firearms, medications, or other lethal means increases the likelihood of a completed suicide.

Warning Signs and Symptoms

Several warning signs may indicate that a person is at acute risk of suicide. These should always be taken seriously:

Expressing thoughts of wanting to end one's life (verbally or in writing)
Withdrawal from social contacts and daily activities
Giving away personal possessions
Sudden calmness after a period of deep depression (may indicate a decision has been made)
Profound hopelessness and feeling like a burden to others
Increased alcohol or drug use
Finalizing actions such as settling affairs or writing farewell letters

Diagnosis and Risk Assessment

In clinical practice, suicide risk is assessed through structured interviews and validated instruments. Psychiatrists and psychotherapists use methods including:

Clinical interview: Direct, empathetic questioning about suicidal thoughts, plans, and intentions
Standardized scales: Such as the Columbia Suicide Severity Rating Scale (C-SSRS) or the Beck Scale for Suicidal Ideation (BSS)
Medical history: Assessment of prior conditions, previous suicide attempts, family history, and current life circumstances

Open communication about suicidal thoughts is not a risk factor -- it is an important step toward prevention.

Treatment and Crisis Intervention

Treatment for acute suicidality requires a multimodal approach and should always be carried out by qualified professionals:

Acute Care

In the case of immediate danger, inpatient psychiatric admission is necessary to ensure the safety of the individual. In crisis situations, an emergency room can be visited or emergency services (911 or local equivalent) can be called.

Psychotherapy

In the long term, psychotherapeutic approaches such as Cognitive Behavioral Therapy (CBT), Dialectical Behavior Therapy (DBT), and Interpersonal Therapy (IPT) are effective treatments that address suicidal thinking.

Medication

Treating the underlying mental illness -- for example with antidepressants or mood stabilizers -- can reduce suicide risk over time. Lithium is recognized as having proven antisuicidal effects in bipolar disorder.

Social and Family Support

Involving the social environment and creating a safe, supportive setting play a critical role in aftercare and relapse prevention.

Suicide Prevention

Suicide prevention is a shared societal responsibility. Key measures include:

Reducing the stigma surrounding mental illness
Improving access to psychiatric and psychotherapeutic services
Training professionals, teachers, and laypeople in crisis intervention
Restricting access to means of suicide
Crisis hotlines and online counseling services (e.g., in the US: National Suicide Prevention Lifeline at 988, available 24/7)

References

World Health Organization (WHO): Suicide worldwide in 2019. Geneva: WHO, 2021. Available at: https://www.who.int/publications/i/item/9789240026643
National Institute of Mental Health (NIMH): Suicide Prevention. Bethesda: NIMH, 2023. Available at: https://www.nimh.nih.gov/health/topics/suicide-prevention
Hawton K, van Heeringen K: Suicide. The Lancet. 2009;373(9672):1372-1381. DOI: 10.1016/S0140-6736(09)60372-X

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