March 19, 2013 1:32 pm Causes and Treatments for Itchy Scalps Dr. Cheryl Burgess offers insight into itchy scalps which often develop this time of year due to an increase in pollen and other allergens. 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