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 hide caption

itoggle caption David P. Gilkey/NPR

Gilroy Hain's only source of income is the $1,500 a month he receives from Social Security. Ina Jaffe/NPR hide caption

itoggle caption Ina Jaffe/NPR

Gaining a few more years of healthy life would be great for individuals, but expensive for Medicare, researchers say. iStockphoto.com hide caption

itoggle caption iStockphoto.com

The next bed could cost you a lot if the hospital says you're there on observation. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Hazel Trexler-Campbell throws spray-painted horseshoes during the Senior Games in Cleveland on July 23. Benjamin Morris for NPR hide caption

itoggle caption Benjamin Morris for 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 hide caption

itoggle caption Benjamin Morris for NPR

At the Baltimore Green House, every resident has a private room that's close to the common areas, shown here. Courtesy of Catholic Charities hide caption

itoggle caption Courtesy of Catholic Charities

Republicans celebrated when California Gov. Pete Wilson was re-elected in 1994. But his divisive campaign led to a backlash, especially among the growing Latino population in the state. Kevork Djansezian/AP hide caption

itoggle caption Kevork Djansezian/AP

The Greenes say they take it a day at a time and relish the many long-term memories they've shared for nearly 60 years. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR