It’s somewhat unclear whether the people would have developed schizophrenia or a similar illness anyway, just later on. It’s difficult to not be skeptical of any popular reporting or government information given the vast amount of incredibly overblown, total bullshit propaganda (aka straight up lies) about cannabis in the past few decades. One also has to look at what people are using cannabis in substitution for - alcohol, tobacco, SSRIs, benzos? And how many people get positive mental health benefits from it. I know I did.
I wanted to comment on this, anyway
She is optimistic that the THC levels of available marijuana flower will not rise as high as 50%.
I… don’t think that’s physically possible, so it seems like a safe prediction.