Research already demonstrates that physicians are sometimes uncomfortable talking about weight with their obese patients. Now, a new study shows that the doctors' weight makes a difference too.
Physicians who pack on the pounds discuss weight loss less frequently with obese patients than doctors who have normal body mass indexes (18 percent versus 30 percent), according to the report published this week in the medical journal Obesity.
A 33,000-year-old skull of a "wolf on the way to becoming a dog" was found in a Siberian cave. Evolutionary Biologist Susan Crockford, co-author of a study about the skull in PLoS ONE, discusses why the discovery challenges common beliefs about dog domestication.