American businesses are struggling to pay outrageous, exploitive insurance bills for their employees, hampering our ability to compete globally.

As an undergraduate at Harvard in the 1960s, I was fascinated by my visits to psychologist B.F. Skinner's laboratory.

Most disease is lifestyle related and preventable

Pay attention to your body. The point is everybody is different. You have to figure out what works for you.

The more people have, the less content they seem to be. In America, the cultural expectation that we're to be happy all the time and our children are to be happy all the time is toxic, and I think that really gets in the way of emotional well-being.

I'm not against high-tech medicine. It has a secure place in the diagnosis and treatment of serious disease.

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.