Another data point, schizophrenia, and certain other brain chemistry issues, tend to appear in the late teens and early twenties. Here's some medline for you:

Another data point, schizophrenia, and certain other brain chemistry issues, tend to appear in the late teens and early twenties. Here's some medline for you: http://www.nlm.nih.gov/medlineplus/schizophrenia.html http://www.nlm.nih.gov/medlineplus/schizophrenia.html There is another cluster of suicides from men in their mid 30s, from what I understand.