March 27, 2013 1:18 pm Colon Cancer Awareness Month It’s called “the silent killer.” Dr. Melanie Jackson explains the symptoms of colon cancer, when people should get screened and the importance of having a colonoscopy. 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