True, nuts are high in fat, but most of them contain monounsaturated fat that is good for the heart. In fact, eaten in moderation, nuts can lower your risk of heart disease and heart attack.

I don't think you can live without stress; I think the human life is stressful, and it probably always has been, although the forms of stress may change from culture to culture, and from time to time.

We need to accept the seemingly obvious fact that a toxic environment can make people sick and that no amount of medical intervention can protect us. The health care community must become a powerful political lobby for environmental policy and legislation.

My passion for gardening may strike some as selfish, or merely an act of resignation in the face of overwhelming problems that beset the world. It is neither. I have found that each garden is just what Voltaire proposed in Candide: a microcosm of a just and beautiful society.

I think it's worth trying to do something about obvious sources of stress in your life. But even more important is learning and practicing methods to neutralize the harmful effects of stress on the body and mind. There are many possibilities, anything from meditation and yoga to listening to relaxing music. My personal favorite is simple breathing techniques - they're very effective, take very little time, and they're free.

Meditation while walking has a long, noble history in ancient spiritual disciplines.

Most disease is lifestyle related and preventable