The impact of caffeine on blood pressure from coffee (and cola, energy drinks and chocolate) varies. Research reviews report ...

A genetic study reveals that it is not coffee itself, but how long caffeine remains in the blood, that influences the risk of diabetes.

When I finally confronted my dependency and gave up coffee three months ago, my body wasn’t happy. In the mornings during the time that I would normally have my espresso, my thoughts tried to bargain ...

Caffeine can linger in your system for 10 or more hours, which can impact sleep. Double-shot lattes and cold brews have ...

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 ...

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There's new evidence to add to the ever-growing pile that suggests you don't need to feel guilty about your daily coffee. A large, long-term study has found that moderate caffeine intake is linked to ...