We're all familiar with the mechanism of action-and-reaction in the world of sports. Pitcher-and-batter is an action-reaction duo in baseball. A basketball guard driving to the hoop and a defender leaping to block the shot is another example. A racecar driver negotiating a tight turn at speed is executing

Chronic diseases such as hypertension and diabetes have increasingly high prevalence in world populations.1 Such prevalence is rising despite extensive use of prescription medications. Problematically, many people have two or more concurrent chronic disorders and are taking multiple medications. But

Headaches are big business. For the drug companies, that is. Approximately 10 million Americans suffer daily headaches, and 50 million have headaches often enough to seek medical care. Approximately 23 million Americans suffer from migraines. Billions of dollars are spent each year on Aleve and Motrin

Many of us think of depression as a psychological condition. The causes of depression are sought in the person's childhood or in her personal circumstances as an adult. But within the last 10 or 20 years depression is increasingly being evaluated within a physiological context. Various disease states

We all want to get the most we can out of life. Whether we want to find a loving partner, work at a meaningful career, gather an abundance of financial resources, or have enough leisure time to pursue favored interests, the usual bottom line is that we want to be happy. Throughout thousands of years