January 13, 2011 9:52 pm “30 Rock” Star Spreads Word About Kidney Disease Actor Grizz Chapman, of “30 Rock,” is used to making people laugh, but he wants them to know how serious kidney disease can be and why everyone should get tested. 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