If soda is your vice, swap out your caffeinated cola for a caffeine-free variety. Same goes for tea: While green, white, ...

But after 'having trouble sitting still' and feeling constantly restless, he decided to take up a no-caffeine challenge that would see him abstain for 30 days. The Texan had read about others who ...

With so many positive effects, it’s no wonder coffee and caffeine are so popular. But like any other drug, caffeine can become addictive, and eating or drinking too much can cause negative side ...

The amount of caffeine in tea and coffee varies, depending on the strength, variety and brewing method, but coffee tends to contain more than tea. Purely based on the assumption that caffeine ...

There is no need to brew. Research shows that instant coffee usually contains less caffeine than regular coffee. One 6 oz cup contains roughly 45 mg or an average of about 57.1 mg. Although the ...

Researchers have found that caffeine intake may be partly to blame for office workers' poor performance. Drinking about three cups of coffee and one cup of tea can cause concentration lapses and ...

If you pop into a Starbucks to grab an afternoon ... but those 12 to 18 years of age should try to limit their intake of caffeine to no more than 100 milligrams per day. Those younger than 12 ...

An autopsy report revealed that the former One Direction member had multiple substances in his system when he died, including ...

Park yourself on one of the benches outside (or seize the solo timber ‘table’ if you’re fast enough) and browse the menu.

Knowing which type of coffee to reach for will help you fine-tune your morning or afternoon jolt of caffeine. Katherine Peach is a well-caffeinated, Brooklyn-based writer, who focuses on all ...