Self-medication with marijuana is pretty common.  New research suggests that if that self-medication starts when you are a teen there are dire consequences for the developing brain.  Here is a write up of some recent research on the topic.

A quote in the New York Times on November 21 misled some people into believing that Dr. Ned Hallowell thinks that using marijuana to treat ADHD is a good idea.  Just the opposite, he thinks it is a very bad idea and has said so for many years.  Here is his response to those who had questions about this: