There are many articles showing cannabis usage linked to bipolar and schizophrenia. And showing not just linkage but cause. Long term cannabis usage damages the area of the brain, that is damaged in people with bipolar.
Pot makes you psychotic.
As someone else said, let’s not confuse causation with correlation. Psychotics will often self-medicate with everything in sight, except perhaps their prescribed medication.
Going on 50 years of casual usage... not too crazy yet, and too old to cause much damage anyway.
That explains my 12 year old step daughter, who started exhibiting those issues when she was 8! Who knew she was pothead!
“Pot makes you psychotic.”
If this were true prohibitionists & their nanny-state brethren in the gov’t would be broadcasting this info 24/7 across all forms of media. Millions of people would be lined up for admittance to a mental health facility for beds that do not exist. Every local news broadcast would feature at least one crying mother or grandmother every hour, “Pot made my baby crazy!”