I tried to change the conventional paradigm, for example, by insisting on the reality of mind-body interaction, by stressing the importance of natural therapies, by focusing attention on lifestyle issues, by looking at worthwhile aspects of alternative medicine. Many people have been threatened by that. Doctors especially tend to think that they know everything about the human body, and don't realize that medical education has really omitted many very important subjects.

The more people have, the less content they seem to be. In America, the cultural expectation that we're to be happy all the time and our children are to be happy all the time is toxic, and I think that really gets in the way of emotional well-being.

By keeping my hand in that, it's the way I keep learning. The main way you learn in medicine is by practicing and working with patients.

I find that low protein diets often contribute to improvement in patients with immune system problems ... In fact, it would be hard to become deficient in protein in our country even if you tried.

Low levels of vitamin D in the population as a whole suggest that most people need to take a vitamin D supplement. This may be especially true for seniors, as the ability to synthesize vitamin D in the skin declines with age.

More than one skillful physician has said that if one asks the right questions, the patient will make the diagnosis for you in his or her own words.

The usual justification for eating extra meals is that it keeps the metabolism "revved up" so that weight loss is easier. There is, however, very little hard evidence that supports this idea, and a fair amount that disputes it.