Believe it or not, coffee and energy drinks aren't the only way to get that much-needed morning jolt. But does chocolate have ...

Caffeine is a stimulant that is said to keep the mind alert But is it the safest way to improve focus and concentration in ...

Last year the European Union, guided in part by the Irish study, began requiring packaged drinks with more than 150 milligrams of caffeine per liter to be labeled "high caffeine content" drinks.

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If you’re looking for the beverages that will give you the most buzz, there are a handful of coffees, teas, and other drinks ...

Caffeine, a natural stimulant found in coffee, tea, cola, cocoa, and some herbal drinks like guarana and yerba mate, affects ...