Exercise by Pill Proxy

Researchers report that they've developed pills that mimic the effects of exercise. Tested on mice, the pills "reproduce many of the biological benefits of exercise, helping cells burn fat better and boosting endurance, said Ronald Evans, a Howard Hughes Medical Institute researcher at the Salk Institute for Biological Studies in California. One of the pills may some day help people enhance their exercise or training, while the other might be more suited for couch potatoes who need to kick-start themselves, Evans and colleagues reported on Thursday in the journal Cell."
Of course, they've already developed a way to test athletes for the presence of the drug. Read the whole article in Reuters 7/31/08.