April 4, 2011 6:36 pm Lesser-Known Allergy Triggers Dr. Jackie Eghrari-Sabet, of Family Allergy & Asthma Care in Gaithersburg, Md., on some allergy triggers you might not know about. 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