Word: coffeeâ
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That morning cup of coffee??might smell better after you get up from bed. It has been shown that lying down can dampen such senses as hearing and spatial perception, and now researchers have found that reclining can also smother your ability to pick up odors. More than 60% of test subjects sniffing rose odor had decreased sensitivity to the smell when recumbent. The phenomenon could be the body's way of turning off potential distractions while you're trying to fall asleep, or it might be the result of fluids that rush through the brain while you're supine...
...with what the Austrian scientists reported last month at the Radiological Society of America's annual conference in Chicago. Dr. Florian Koppelstaetter and his colleagues at the Medical University in Innsbruck gave 15 male volunteers 100 mg each of caffeine?about the same amount as in two cups of coffee???and then tested their short-term memory. Not only did the caffeine drinkers perform significantly better than those on placebos (all the subjects were in both the caffeine and the control groups in different rounds of testing), but when the scientists scanned their brains with functional MRIS, the anterior cingular...
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