Smoking weed with your parents isn’t the outlier it used to be: Half of them were getting high in secret before legalization. But with your grandparents? That takes levels of diplomacy that Henry ...

We hear it all the time from the old heads: “Weed is way stronger than it used to be.” They’re not wrong. The THC levels in today’s cannabis are far higher than they were in the ’70s, ’80s and even ...