January 7, 2011 1:36 pm She's Got the Look: Michelle Obama's Arms Dr. Steven Hopping offers advice on how to get beautiful arms like the first lady’s. Local 2:54 ‘Healthy moms equal healthy babies': Children's National offers maternal health care 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