Adding another incentive to exercise, scientists have found that physical activity improves arthritis symptoms even among obese mice that continue to chow down on a high-fat diet.

Adding another incentive to exercise, scientists at Duke University Medical Center have found that physical activity improves arthritis symptoms even among obese mice that continue to chow down on a high-fat diet.

A rheumatoid arthritis drug could help treat asthma patients, scientists said today.

A rheumatoid arthritis drug could help treat asthma patients, scientists said today.

Researchers have discovered why immune cells of people with rheumatoid arthritis become hyperactive and attack the joints and bones. The cells have lost their bouncer, the burly protein that keeps them in line the way a bouncer in a nightclub controls rowdy patrons. The protein, called P21, prevents immune cells from their destructive rampage. When the scientists injected a mimic of P21 into an ...