Some things just keep getting better with age, including the timeless voice of American treasure Johnny Mathis and the stamina and goals of a 54-year-old former Marine and ultra-endurance athlete. Find out their tips for long, healthy lives.
George Hood puts himself through things that would crush a younger man. The 54-year-old ultra-endurance athlete has set or holds five Guinness World Records in physically excruciating events. Find out why he pushes himself to the limits.