Our appearance- obsessed society offers up a 1,001 ways to banish fat, lose the cellulite, get ripped, slim down, firm up, be lean, get strong, and regain the body you once had or the one you never had and want. You can eat or drink these products, wear them, rub them on your skin, or buy something you’ll use a few times before you lose interest in it. But there’s still only one way to get the most attractive and alluring thing of all—that glow of good health than can only come from physical activity. Call it a radiance, a certain energy, or whatever else you want; you know it when you see it, and so does everyone else.