Studies have shown that energy drinks' high caffeine content increases alertness, memory, and mood. However, coffee may be better for sustained energy because drinkers tend to sip it slowly.

"Caffeine’s stimulatory effects can significantly delay your ability to fall asleep," explains Dr. Kaylor. "By blocking ...

And no matter your feelings and preference of coffee versus tea or black versus lattes, Starbucks has become a ubiquitous part of our shopping centers and towns the world over. You probably already ...

And we might resort to energy drinks because they have much more caffeine than coffee: An average 8-ounce coffee has just under 100 milligrams of caffeine and a 1.93-ounce bottle of 5-hour ENERGY ...

For the 39 million Americans who suffer from migraines, finding effective relief can be a constant struggle – leading many to ...

Many mainstream energy drinks that have been on U.S. shelves for decades—like Rockstar, Red Bull, and Monster—contain roughly 10 mg of caffeine per ounce. That’s roughly on par with the ...

Caffeine can stay in your system for up to 12 hours, but this may vary based on individual factors. Learn more about side ...

Kids between 5-8 should drink 2-5 cups of water and 2.5 cups of milk a day. Kids 9-13 should have 2.75-7.6 cups of water and 3 cups of milk a day. Kids 14-18 should have 3.6-11 cups of water and 3 ...

Caffeine is the world's most used drug, with an overwhelming majority (88%) of Americans saying they consume caffeine. Of those who do, about 4 out of 5 ...