Scientist David Sinclair holds forth on metabolism, aging, calorie restriction and his research at Newsweek: "About 70 years ago, scientists discovered that when animals are forced to live on 30 to 40 percent fewer calories than they would normally eat, something unusual happens: they become resistant to most age-related diseases - cancer, heart disease, diabetes, Alzheimer's - and live 30 to 50 percent longer. Restricting calories slows aging. But how? What are the underlying genes that preserve vitality and stave off disease? ... Many scientists are encouraging Congress to increase funding for aging research, to launch the equivalent of the Apollo program. Only a few humans made it to the moon. In the future, millions may live a century or more, and remain vital and productive during those added years." But there are better ways forward than tinkering with metabolism (or than involving government in anything, for that matter).