General Discussion
In reply to the discussion: Pregnant pot smokers can damage kids' brains [View all]RainDog
(28,784 posts)is the use of THC by itself, which is not the way humans consume cannabis.
CBD, for example, is another cannabinoid that has been studied, apart from the THC cannabinoid.
CBD administered on its own, without THC, resulted in people becoming severely depressed - people who previously had no history of depression. A drug was approved in Europe that was composed of CBD. The drug blocked endocannabinoid receptors and reduced appetite (whereas THC has been shown to facilitate appetite.) The CBD synthetic drug was withdrawn after some people attempted suicide.
That incident does not demonstrate that cannabis creates suicidal thoughts or actions, even though one cannabinoid, isolated and synthesized as a drug for weight loss, did create problems for some users.