Pansy Greene, 73, is in the early stages of Alzheimer's. She and her husband, Winston, have been married for 57 years. She says her secret to maintaining a normal life is to stay active and positive.
David P. Gilkey/NPR
Graham Johnston, 82, poses for a portrait through an underwater window at the pool on Wednesday. Graham competed at the Senior Games in Cleveland, where more than 10,000 athletes older than 55 are competing in various sports.
Benjamin Morris for NPR