Aspirin.

Something very simple might do much good. I suppose we'll first need to clear this with the nation's pharmaceutical giants.

The 2,000-Year-Old Wonder Drug, by David B. Agus (New York Times)

... When does regulating a person’s habits in the name of good health become our moral and social duty? The answer, I suggest, is a two-parter: first, when the scientific data clearly and overwhelmingly demonstrate that one behavior or another can substantially reduce — or, conversely, raise — a person’s risk of disease; and second, when all of us are stuck paying for one another’s medical bills (which is what we do now, by way of Medicare, Medicaid and other taxpayer-financed health care programs).