Your body can heal itself. It can do so because it has a healing system. If you are in good health, you will want to know about this system, because it is what keeps you in good health and because you can enhance that condition. If you or people you love are sick, you will want to know about this system, because it is the best hope for recovery.

Dietary fat, whether saturated or not, is not a cause of obesity, heart disease or any other chronic disease of civilization.

It is unrealistic to want to be happy all the time.

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.

Limit or eliminate late-night computer and television viewing. A computer or TV screen may seem much dimmer than a light bulb, but these screens often fill your field of vision, mimicking the effects of a room filled with light.

The world is beset by many problems, but in my opinion, this hijacking of our brain's reward centers by electronic media is potentially one of the most destructive.

Conscious breath control is a useful tool for achieving a relaxed, clear state of mind.