It turned out that for every category of traumatic experience you went through as a kid, you were radically more likely to become depressed as an adult. If you had six categories of traumatic events in your childhood, you were five times9 more likely to become depressed as an adult than somebody who didn’t have any. If you had seven categories of traumatic events as a child, you were 3,100 percent10 more likely to attempt to commit suicide as an adult.