On the Mayo Clinic Radio podcast, Dr. Sevann Helo, a Mayo Clinic urologist, will discuss vasectomy reversal surgery and male infertility. Also on the podcast, Dr. Dale Ekbom, a Mayo Clinic otolaryngologist and head and neck surgeon, explains treatment options for vocal cord paralysis. And Dr. Abdallah El Sabbagh, a Mayo Clinic cardiologist, discusses mitral valve regurgitation, a heart condition.