Clearly, America's dysfunctional food culture must bear some of the blame for our excess pounds, but it's likely our walking-averse lifestyles contribute as well.

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

My personal opinion is that the neutral position on the mood spectrum—what I called emotional sea level—is not happiness but rather contentment and the calm acceptance that is the goal of many kinds of spiritual practice.

Each day as I travel through downtown Tucson, I am amazed at how quickly the most ancient of human behaviors have changed. For as long as there have been Homo sapiens - roughly 200,000 years - people have filled their lives principally with two activities: talking directly with other people, and doing physical things.

Studies have shown that people who are physically active sleep better than those who are sedentary. The more energy you expend during the day, the sleepier you will feel at bedtime.

As a physician, I recommend nutritious hemp seeds and oil to anyone interested in maintaining a healthy diet. Everyone will benefit when American farmers can grow this amazing crop once again.

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.