New research shows that teenage cannabis use causes lasting damage. As well as the physiological damage, Buddhism suggests that drugs are  about avoiding experience rather than engaging with mindfully with it 

Some of the parents I know with teenage children who use cannabis are fairly relaxed about what’s happening. ‘It isn’t doing any harm’, one tells me. ‘Alcohol’s much worse.’ Others would really like their children to stop but are at their wits end. It’s OK, they say, but not in the house, not on weekdays, or only after you’ve done your homework.

I don’t envy them and no doubt the scientific study reported this week will fuel their worries. It …