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

There's no limit to what working with the breath can accomplishmy own first-hand experiences with this natural healing method have convinced me that breathing well may be the master key to good health. I recommend breath work to all my patients.

Most American diets, even bad ones, provide more than enough calcium for bone health, especially for men.

To be clear, I worry as much about the impact of the Internet as anyone else. I worry about shortening attention spans, the physical cost of sedentary "surfing" and the potential for coarsening discourse as millions of web pages compete for attention by appealing to our base instincts.

Many exercise forms - aerobic, yoga, weights, walking and more - have been shown to benefit mood.

Just the attempt to learn a [new] language is like running different software through the brain.

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.