The news is all good these days for caffeine in its pure, uncut form.
Undergrads at Centre College in Danville, Ken., recently presented findings from a research project comparing the effects on brain activity of the nation's leading energy drink with a regular cup of coffee to the annual meeting of the Association for Psychological Science. Their conclusion: both 5-Hour Energy and a cup of water with caffeine stimulate P300 brainwave activity. But the little shot didn't stimulate test subjects any more than the humble cup of joe.