What caffeine does to your body and brain

Caffeine has a number of health effects on the body and brain. Depending on how you consume it, caffeine could improve memory, boost athletic performance, and be good for the heart. But too much of it may also cause irritation or anxiety.

Many of us can’t start our day without a jolt of caffeine.

Various caffeinated drinks affect your health in different ways. Coffee itself seems to be associated with significant health benefits, including

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