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Caffeine Versus Exercise For Energy

Caffeine is the world’s most popular stimulant. It’s found in coffee, tea, soda and energy drinks. Everyone responds to caffeine a little differently, and the dose can make a big difference in the energizing effect. Consider the findings of a University of Georgia study published in the journal Physiology and Behavior.
 
Female college students who reported getting less than 6 ½ hours of sleep per night were put in a simulated office environment. Some got a placebo or a capsule containing 50 mg of caffeine. That’s about what a 12 ounce can of soda provides. Others walked up and down stairs at a normal pace for 10 minutes. Caffeine and placebo conditions weren’t all that different, but exercise energized subjects for a short period of time.