On the Mayo Clinic Radio podcast, Dr. Michael Stuart, co-director of the Mayo Clinic Sports Medicine Center, breaks down the benefits and risks of youth sports. Also on the podcast, Dr. Scott Nyberg, director of the liver program at the Mayo Clinic Center for Regenerative Medicine, discusses the latest advances in treating liver disease. And Dr. Amaal Starling, a neurologist at Mayo Clinic, explains what causes the painful – but short-lived – ice cream headache.