People Who Commit Suicide Have Abnormal Chromosomes, Mitochondria

Many people who commit suicide have genetic abnormalities. Specifically, young people who commit suicide are likelier to have short chromosomal telomeres, while older people who commit suicide tend to have excess mitochondrial DNA....
http://www.acsh.org/news/2017/06/14/people-who-commit-suicide-have-abnormal-chromosomes-mitochondria-11423