Episode 141: an app to reduce drinking, e-cigs to quit smoking, and does ADHD lead to substance use

This week, we give Henry the day off, leaving Kate, Mark and Gary to discuss a new app to reduce unhealthy alcohol use, whether e-cigarettes can help you quit smoking, and whether taking stimulant meds for ADHD increases the risk of substance use down the road. And the quiz, and a book recommendation ("A Voyage for Madmen").