What You Don't Know May Be Killing YouMAKE BETTER HEALTH DECISIONS FOR YOU AND YOUR FAMILY. You already know that proper diet, exercise, controlling your environment and rest can keep you in good health. But you're still not sure you're doing enough. You may have seen family or friends devastated by illness even those who took great care of themselves. Could they have done more to prevent disease? What they did probably helped. But there's more to creating and sustaining good health than