caffeinated brain

once more, in the jan 2005 issue of national geographic is one very long article on the effects of caffeine...

in a 12 oz cup of coffee one finds 200 mg of caffeine... and this is compared to an energy drink called red bull that has only 80 mg...

when users accustomed to a daily average of 650 mg of caffeine (about three 12-oz cups of coffee) went without their usual fix, visual and auditory activity in the brain was low...

according to brain scans at wake forest university...

"if you regularly get a hefty dose," says wake forest university researcher paul laurienti, "you need it for your brain to function normally."