huffing and puffing on the treadmill is to tell myself that after it's all over, I can reward myself with a little extra food. That's because exercise revs up metabolism, right? Wrong. For years the common refrain from fitness gurus and diet books has been that if you exercise regularly you'll keep torching those Big Macs all day long--and even at night ("It's a miracle! Lose weight while you sleep!").One way I make it through my work out when I'm
The "boost your metabolism" chorus makes many people scratch their heads when they start an exercise program and step on the scale a few weeks later to discover their weight hasn't budged, or maybe they have even gained a pound or two. To help understand the relationship between activity and weight loss, a team of researchers studied the Hazda, a hunter-gatherer tribe in Tanzania, and published the results in an article in the most recent volume of the journal PLoS One.
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