“Overweight people have a tendency to sit, while lean ones have trouble holding still and spend two hours more a day on their feet, pacing around and fidgeting, researchers are reporting in findings published today.

The difference translates into about 350 calories a day, enough to produce a weight loss of 30 to 40 pounds in one year without trips to the gym – if only heavy people could act more restless, like thin ones.” (New York Times )