Yes, Legalize Pot. But Study Its Impact on Health: Lisa Jarvis

Vice President Kamala Harris this week confirmed she supports the legalization of marijuana. It’s a change of heart that acknowledges the decades of injustice wrought by the criminalization of small amounts of weed and follows a broader shift in sentiment about cannabis in the US. And it makes sense — if it is accompanied by a massive effort to understand how pot affects public health.

Young adults are increasingly eschewing alcohol and cigarettes in favor of cannabis. According to the most recent data from the annual Monitoring the Future survey, weed has never been this popular. Another analysis found ...