44-year study showed Cannabis users showed LESS brain ageing/decline!
- Main finding: Men who had ever used cannabis actually showed less drop in their cognitive (thinking) abilities over the decades compared to men who never used it.
- Among the cannabis users, things like starting at a young age or using it frequently did not lead to worse long-term cognitive decline.
- Overall conclusion: In this large group of men tracked for over 40 years, cannabis use did not cause harmful long-term effects on age-related brain aging or cognitive decline.