Suicidal ideation is a term used to describe thoughts of suicide or self-harm. It is a common symptom of various mental health disorders, including depression, bipolar disorder, and PTSD. Suicidal ideation can range from fleeting thoughts of ending one's life to detailed plans for suicide. Research in this area focuses on understanding the risk factors and triggers for suicidal ideation, as well as developing effective interventions and prevention strategies. Studies may examine the role of genetics, brain chemistry, environmental factors, trauma, and societal influences in contributing to suicidal thoughts. The goal of this research is to identify ways to better assess, treat, and prevent suicidal ideation in individuals at risk.