This is a question which frequently comes up in our training courses. And our answer to this is “a bit of column A, and a bit of Column B”.
Across the ages, people have always experienced mental health issues. Whether it was overwhelming anxiety, depression, or even ‘psychotic’ episodes, which in past times would more likely have been explained in a spiritual reference as either connection to the gods, or possession. But it’s always been there.
In more recent times (but really only in the last 100-200 years, mind you),