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Staying Healthy

Caffeine IQ: How much is too much?

April 11, 2014

Most people can drink a few cups a day. A higher intake may have negative side effects.

A daily caffeine jolt isn't usually harmful. It may have some health benefits. Caffeine can decrease fatigue and improve alertness, concentration, and motor performance. When added to painkillers, caffeine makes the drugs work faster and more efficiently.

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