"60 is the New 40" is more than a marketing slogan. The phrase is also a metaphor for optimism, as well as a metaphor for good health. How can 60 really be the new 40? First, there are the demographics. Forty years ago, when today's 40-year-olds were just being born, 40 was a fairly substantial age.

Many people experience increasing musculoskeletal joint stiffness as they get older. Shoulders, knees, and ankles don't seem to be as flexible as they once were. It seems more difficult to bend over and pick up a dropped object. It may be uncomfortable to turn your head around to see the car in the next