On this episode of the Mayo Clinic Radio program, Dr. Elizabeth Cozine, a family medicine physician at Mayo Clinic, will share helpful tips for getting kids ready to head back into the classroom. Also on the program, Dr. Eric Moore, an otolaryngologist and head and neck surgeon at Mayo Clinic, will discuss throat cancers caused by HPV. And Dr. Jon Ebbert, an addiction specialist at Mayo Clinic, will explain how medical marijuana is used to treat pain and disease symptoms.