Psychosis More Condition_symptoms What Evidence Suggests That Psychosis Is Environmentally Caused?

What evidence suggests that psychosis is environmentally caused? - psychosis more condition_symptoms

In an essay to write, and I find nowhere in my book. Any help would be great.
Even if someone knows:
What are the signs that psychosis is a hereditary disease?

Thank you guys. I would really appreciate it. You have no idea.