Fountain of Youth?

Check out this engrossing piece in the New York Times Magazine about efforts to "counter the corrosive effects of aging":

Some antiaging proponents make seductive promises about prolonging longevity. Comite steers clear of that camp. Her interest lies in extending the length of “health span,” as opposed to life span. Does the body have to slide inexorably downhill after 40? She says she is convinced that metabolism modulation can help stave off stroke, heart disease and diabetes; can flatten the trajectory of corporeal decline. Ideally, age-management-medicine patients will keep humming along nicely, then crash like a spent computer. As Comite puts it, “Can we maintain optimal health until one day when we just don’t wake up?”