NPR News

Two-thirds of Americans are overweight. And when many of them try to take off the extra pounds, their bodies fight to stay fat. Tara Parker-Pope, who described "The Fat Trap" in The New York Times Magazine, and Dr. Arthur Frank talk about why some people appear more biologically prone to obesity.

A major medical group issued ethical guidelines on Monday that take the provocative position of urging doctors to consider cost-effectiveness when deciding how to treat their patients.

The American College of Physicians, the second-largest U.S. doctors' group after the American Medical Association, included the recommendation in the latest version of its ethics manual, which provides guidance for some 132,000 internists nationwide.

We knew defense cuts were coming, but The New York Times is reporting that Defense Secretary Leon Panetta will unveil $450 billion in cuts this week. With the announcement reports the Times, will also come a new philosophy for the Pentagon.

The Times reports:

The U.S. has gone through five years of foreclosed homes, vacant subdivisions and houses worth less than the owner's mortgage. Host Michel Martin and NPR Senior Business Editor Marilyn Geewax discuss whether predictions of a turnaround in the housing market are realistic or just new year optimism.

Whether it's Air Jordan shoes or an Apple iPhone, kids and teens often covet brand name items, especially at this time of year. Is it okay for parents to give these trendy items to their kids, and how much? Host Michel Martin speaks with James Roberts, author of Shiny Objects, and three regular parenting contributors.