“Could be because your sample is tainted, i.e., made up entirely of people who needed your services as a mental health counselor. If you think about it a bit, you might realize the type of people who might need mental health services might also be the same type of people who would self-medicate with recreational drugs like marijuana.”
Many people come to us self medicate but studies show that marijuana actually induces mental illness.
In our field this Lancet article is considered irrefutable.
Cannabis use and risk of psychotic or affective mental health outcomes: a systematic review.
The evidence is consistent with the view that cannabis increases risk of psychotic outcomes independently of confounding and transient intoxication effects, although evidence for affective outcomes is less strong. The uncertainty about whether cannabis causes psychosis is unlikely to be resolved by further longitudinal studies such as those reviewed here. However, we conclude that there is now sufficient evidence to warn young people that using cannabis could increase their risk of developing a psychotic illness later in life.
No offense, but that's not much of a field you have there, is it? I'd hate to base my entire line of reasoning on something so full of "mabyes" and "coulds," but hey, you go for it. I guess selling snake oil never goes out of fashion.