I am making several assumptions about you.
Assumption #1: You are among those of us who think that growing old is anything but graceful. Despite the best efforts of Hollywood and Madison Avenue to market middle age as the prime of your life, in reality there's nothing sexy about wrinkles, graying hair, spreading middles, sagging jowls, fading vision, diminishing sex drive, and loss of memory.
Assumption #2: You have already spent more money than you would like to admit on health clubs, diet plans, and maybe even cosmetic surgery to look younger. You are not alone. Last year Americans spent more than $35 billion on trying to...