She’s the cancer crusader who has helped change the lives of thousands of children fighting this disease, and has rallied all of Hollywood to help. That Girl’s Marlo Thomas is an inspiration to many, with her generosity and unrelenting will to make a difference. In this interview, Marlo reveals to Dr. Oz why this mission is personal to her, and why laughter is always the best medicine. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers