Who can get a mental illness?

You - or anyone else on this earth.

There is three ways to "get" mental illness
1. Hereditary - Mental Illness can and usually is passed down from generation to generation. It can skip generations and doesn't always show as the same mental illness it can be any of the diagnosis (Dx)

2. Environmental- Child abuse, rape, trauma etc can cause the brain to "tilt" and a person can become Obsessive Compulsive (OCD) Schizophrenic, etc.
3. Chemical- Certain drugs like PCP and LSD, can cause long term mental illness like Schizophrenia, Babies born addicted to Meth. often are born with ADHD, OCD, Aspergers etc. If a pregnant mother is exposed to dangerous chemicals the effect on the baby can be permanent mental illness as well as physical disabilities.