Courtesy of Peter Grant, we find this study that links marijuana use by pregnant women with a 50% rise in the chance of autism.
Look, I get that some folks use pot for medical purposes. I understand that. But the vast majority of people are just using it to get high, and it's going to have long lasting effects that we can't even begin to fathom at this time. And I can tell you from personal experience that a mother who's constantly high CAN NOT properly parent their kids. No, not my mom, although for all the crap I've put my parents through they couldn't be blamed for wanting to take the edge off.