Miss the show? Here is the podcast: Mayo Clinic Radio 02-28-15 PODCAST 40min mp3 Mucus. It isn’t pretty, but it’s a frontline weapon in the fight against the common cold and sinusitis. On this week’s Mayo Clinic Radio, ENT specialist Dr. Erin O’Brien explains why. Also on the program, Mayo Clinic cardiologist Dr. Rekha Mankad answers listener questions about […]