Do You Burn More Calories In The Cold? [news]

If holiday weight gain is at the top of your "naughty" list this season, you may be looking for extra ways to rev up your metabolism and keep your egg-nog-and-turkey-loving self in check. And if this healthy holiday regiment includes chilly outdoor runs (either at home or while visiting friends or relatives), you may be wondering about an age-old rumor: that exercising in the cold burns more calories. But is it true? That seems to depend on your definition of "true." Because it's true that being cold (to the point of shivering) can burn extra calories -- but how many is enough to make this myth a reality worth noting?