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.

Millions of Americans today are taking dietary supplements, practicing yoga and integrating other natural therapies into their lives. These are all preventive measures that will keep them out of the doctor's office and drive down the costs of treating serious problems like heart disease and diabetes.

Massage therapy has been shown to relieve depression, especially in people who have chronic fatigue syndrome; other studies also suggest benefit for other populations.

I do not claim to have attained optimum emotional well-being. Actually, I think that may be a lifetime goal. For me it’s an ongoing process that requires awareness, knowledge, and practice. I do know what good emotional health feels like, and that motivates me to keep at the 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.

It is unrealistic to want to be happy all the 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.