July 9, 2014 12:48 pm Understanding the Risks of Teen Marijuana Use Psychiatrist Dr. Joshua Weiner talks about the risks involved with teenage marijuana use. Local 2:14 Opioid crisis: National drug take back day on Saturday 2:55 Concussion treatment: Returning to school and limiting screen time may help, study finds 2:39 What to know about ADHD medication and pregnancy 2:08 How to pick the best running shoes for outdoor exercise 3:41 Nail biting: A psychiatrist shares tips