As recently as half a century ago, Americans across all classes showed only minor differences on the Founding virtues. When Americans resisted the idea of being thought part of an upper class or lower class, they were responding to a reality: there really was such a thing as a civic culture that embraced all of them. Today, that is no longer true.

Studies show that increased exercise during the holidays could begin to combat the obesity epidemic.

Obesity is a huge public policy issue. (Pardon the pun.)

This paper compares a variety of measures of fatness in terms of their ability to predict application for Social Security Disability Insurance.

The public must understand the scope of health care issues and not be fooled into thinking problems are worse than they really are.

The public must understand the scope of health care issues and not be fooled into thinking problems are worse than they really are.

Are there 1,700 autopsies declaring air pollution as the cause of death? Are 6,000 people admitted to hospital each year with a diagnosis of "air pollution" as the cause?

As the threats and challenges the United States faces in Asia evolve, we should work with South Korea and Japan's new leaders to launch a trilateral security initiative.