https://nyti.ms/2IjZXMQ

This article addresses recent research strongly suggesting that teenagers are extremely vulnerable to the cumulative effects of regular use of pot.  Pot impairs executive functioning, brain processing speedmemoryattention span and concentration. Furthermore, we used to think that weed was a gateway drug and then research suggested that this was in fact not the case. But guess what? Now evidence points to the strong possibility that it can actually be a gateway drug for opioids of all things!