It's no surprise that energy drinks can pack a punch when it comes to caffeine -- here's a list of some popular energy drinks ...

Drinking too much caffeine can cause a caffeine overdose, a form of poisoning that healthcare providers also call caffeine ...

Treatment for a serious caffeine overdose focuses on getting the substance out of the body.

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From espresso to energy drinks to supplements, caffeine comes in many forms, Rula notes. And if you're like most people, you probably enjoy a cup of coffee each morning or a late-afternoon soda to ...

Genetic evidence indicates that higher levels of caffeine in a person’s blood may be linked with lower weight. But people shouldn’t assume that drinking more coffee will be a route to weight loss, ...

Plenty of people joke about being addicted (or not being addicted) to caffeine. But it turns out that if you do decide to cut back on coffee or simply consume less caffeine than normal for a day or ...