Look closely: Sunkist Orange Soda is even more caffeinated than Pepsi Cola, while Pepsi Max and Sun Drop Citrus Soda zoom to the top of...

Under what conditions can caffeine become a dangerous substance? Mental health conditions, such as bipolar disorder or anxiety, combined with...

A lethal dose of caffeine occurs at about 10 grams, an amount more common with powdered caffeine or caffeine pills. (10...

Can you get drunk on caffeine? If you’ve ever slammed down a few too many coffees or Red Bulls and...

Caffeine is biphasic – meaning it delivers significantly different effects when taken at low doses than at high ones. We see this...

Who knew such a luscious flavor would also be a stimulating food? Ancient peoples of the Americas did. Cacao, cocoa,...

After water, tea is the world’s most widely consumed beverage. Tea originated in Asia, in the Himalayas where India and...

Wild coffee plants originated in the same region where early humans may have been born: Ethiopia. Around 600 AD, the Oromo,...

No one knows for sure when humans first consumed caffeine. Africa was the starting point for coffee, and probably fueled...