On the Mayo Clinic Radio podcast, Dr. Stephen Kopecky, a cardiologist at Mayo Clinic, discusses heart disease treatment and prevention. Also on the program, Dr. Gregory Poland, an infectious diseases specialist at Mayo Clinic, has an update on flu season. And the mother-daughter duo, Eileen Opatz Berger and Joan Berger Bachman, share their new how-to book for talking with the elderly, If Only You Would Ask.