Jeremy Jungling was a newlywed, running coach and in the best shape of his life. When he learned he had colon cancer, he was stunned. See how the experience has changed him and why he's no longer waiting until "I'm older" to chase his dreams.
As she celebrates her 100th birthday, Dorothy Johnson celebrates a lifetime of giving back and breaking racial and gender barriers. She shares her secrets of longevity and offers her advice for making your own mark on the world.