On the Mayo Clinic Radio podcast, Dr. Eric Matteson, chair of rheumatology at Mayo Clinic, discusses the impact of arthritis on patients and society. Also on the podcast, Dr. Steve Alberts, chair of medical oncology at Mayo Clinic, gives an update on the latest in liver cancer treatment. And Dr. Craig Sawchuk, a psychologist at Mayo Clinic, discusses how behavioral interventions can help treat insomnia.