January 12, 2014 9:42 am Zipping Along at Health & Fitness Expo The Top 10 reasons to visit the NBC 4 Health & Fitness Expo on Sunday 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