caffeine

The Pentagon security reviewers must have been suffering a dearth of caffeine or sleep.

The story gets out that Obama skipped his usual afternoon dose of caffeine heading toward the U.N. meeting.

This clean source of caffeine is the next noble, and healthy, substitute for your daily cup of coffee.

A “caffeine nap,” or a quick cup of something caffeinated followed by a nap, outperforms both a nap or caffeine independently.

Einöther authored the most comprehensive review of research on caffeine to date.

Both contain stimulating alkaloids, theobromine and caffeine, and fat is a notable constituent of cocoa.

It's thick enough to stand a spoon up in, and it has way more caffeine than the kiddee-pops like Red Bull.

I'd totaled about three hours of sleep, and even three cups of the Turk's caffeine mud failed to jump-start my brain.

It appears to be identical with caffeine, the active principle of coffee and tea.

This first term gives rise to a series of bodies in lateral groups, of which the most interesting are caffeine and theobromine.