September is Childhood Cancer Awareness Month. On the Mayo Clinic Radio podcast, Dr. Sarah McCarthy, a psychologist at Mayo Clinic, discusses how families cope with a devastating diagnosis. And Randall Mc Keeman, a child life specialist at Mayo Clinic, explains what child life specialists do to help children and their families cope with illness. Also on the podcast, filmmaker Ken Burns will preview his documentary, "The Mayo Clinic: Faith, Hope, Science." Burns is the executive producer of the film, which will air Sept. 25 from 9 to 11 p.m. EDT on PBS stations. The documentary will be rebroadcast Sept. 26 from 10 p.m. to midnight EDT. And Dr. Stephen Kopecky, a cardiologist at Mayo Clinic, answers this question: Does aspirin help prevent stroke and heart attacks?