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.

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.

The most common objection that I hear to walking as exercise is that it's too easy, that only sweaty, strenuous activity offers real benefits. But there is abundant evidence that regular, brisk walking is associated with better health, including lower blood pressure, better moods and improved cholesterol ratios.

Imagine that each time you inhale, that the universe is breathing into you, and as you exhale it is breathing out of you.

Learning to focus attention and concentration is very useful; meditation can help you do that.

I don't get money from the vitamins that I make. My after tax profits go to a foundation that supports integrative medicine.

I've always been willing to take risks and chances. Often I'm on talk shows and hosts will ask 'How do you feel about it, when people say you're controversial?' And I say that, 'I think if I stop being controversial, I wouldn't be doing my job.