Caffeine is the most widely used stimulant in the world ... and insomnia. Read more: 15 Popular Diet Sodas, Ranked Worst To Best The Caffè Mocha at Starbucks is a classic drink made by combining ...

Through genome analysis, the scientists uncovered surprising insights into yerba mate’s evolutionary history – particularly its pathway for producing caffeine.

The dual power to counter physical fatigue and increase alertness is part of the reason caffeine ranks as the world's most popular mood-altering drug, eclipsing the likes of nicotine and alcohol.

Yerba mate, along with tea and coffee, is one of the world's most popular caffeinated beverages. Widely consumed in South America, this remarkable plant is rich in diverse, bioactive compounds ...