People with bipolar disorder are at great risk for suicide if they are not getting treatment. The National Mental Health Association reports that 30%-70% of suicide victims have suffered from a form of depression. Men commit almost 75% of suicides, even though twice as many women attempt suicide.

Risk factors for suicide include:

Having mental and substance abuse disorders

Family history of mental or substance abuse disorders

Having attempted suicide previously

Having a family history of physical or sexual abuse

Having family members or friends who have attempted suicide

Keeping a firearm in the home

If you or someone you know is at risk for suicide -- and has shown warning signs -- do not leave them alone. Seek the help of a health care professional right away. People often talk about suicide before they attempt it, so pay close attention to what they are saying and take them seriously.

Some warning signs of suicide include: