Obesity

New research predicts that the U.S. obesity rate won't level off until it reaches at least 42 percent, in 2050.

It’s a problem of colossal proportions. The Centers for Disease Control and Prevention recently reported that more than two-thirds of U.S. adults are overweight or obese.

Video games, with their hypnotic flashes of color and light; their promise of hours of distraction; their offer of competition without need for coordination, strength, or stamina, might seem to be the furthest thing from a pathway to peak fitness.