Convention Center March 11, 2018 7:05 pm Thousands Learn How to Live Healthier Lives on Day 2 of the Expo People climbed, danced, ate and found out how to live healthier lives at the NBC4 Telemundo 44 Health & Fitness Expo at the Washington Convention Center. 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