Exercise? No Sweat!

The ultimate couch potato dream of getting the benefits of exercise without actually doing any has come true for lab mice, at least. Scientists from the Salk Institute of Biological Studies found that a drug called AICAR, originally developed for patients recovering from bypass surgery, helped sedentary mice burn calories like they'd been doing lots of cardio in the gym. Except they didn't. When researchers had the mice do some treadmill work, they ran 44% farther and 23% longer than untreated mice

The Bigger Picture: Advanced human studies of this drug are already underway, and there's hope that it may some day be used to help obese people and others who can't exercise for one reason or another. It should be noted, however, that the drug only mimics the effect of endurance training. There's no advantage for strength athletes. Besides, as a researcher involved with this drug said in an interview, "For a majority of people, it would be better to do exercise than take a pill." Keep that in mind when you hear about the next wonder drug for whatever.
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