Depression is a key factor in suicide, depression has many symptoms that include:feelings of sadness, tearfulness, emptiness, or hopelessness. Have angry outburst, lost of interest in things they usually enjoy, sleep disturbances, lack of energy, change of appetite, anxiety, slowed thinking, feelings of worthlessness, trouble thinking, frequent or recurrent thoughts of suicide.
Many parents or guardians of teens who are going through depression do not put in the factors of suicidal thoughts. Which include, one or more suicide attempts, family history of mental illness or substance abuse, family history of suicide, family violence, physical or sexual abuse, exposure to suicidal behavior, and keeping firearms at home.
These symptoms many people don't notice until it's too late. Teens and adults may be going through depression because of family history or abuse, this is why people need to be more aware of how these symptoms affect the victim and everyone around.