Although the reasons why people commit suicide are multifaceted and complex, life circumstances that may immediately precede someone committing suicide include the time period of at least a week after discharge from a psychiatric hospital 或者 a sudden change in how the person appears to feel (for example, much worse 或者 much better). Examples of possible triggers (precipitants) for suicide are real 或者 imagined losses, like the breakup of a romantic relationship, moving, loss (especially if 由 suicide) of a friend, loss of freedom, 或者 loss of other privileges.

Firearms are 由 far the most common methods 由 which people take their life, accounting for nearly 60% of suicide deaths per year. Older people are 更多 likely to kill themselves using a firearm compared to younger people. Another suicide method used 由 some individuals is 由 threatening police officers, sometimes even with an unloaded gun 或者 a fake weapon. That is commonly referred to as "suicide 由 cop." Although firearms are the most common way people complete suicide, trying to overdose on medication is the most common means 由 which people attempt to kill themselves