50 marathons, 50 days Hey, all you marathoners: As you hobble away from the finish line savoring your 26.2-mile accomplishment today, consider this:...

AP - Patients with hemophilia and other blood-clotting disorders face an uncertain though probably very low risk of contracting the human form of mad cow disease from medicines made using donated plasma, health officials said Monday.

Reuters - Exercise alone is unlikely to prevent obesity in preschoolers but it does improve their motor skills, may boost their confidence and can establish a healthy life-long habit, researchers said on Friday.