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Caffeine

Caffeine is a psychoactive (mind-altering) drug that affects how you think and feel. It is a stimulant that speeds up your breathing, heart rate, thoughts and actions. It’s found in coffee, tea, chocolate, soft drinks, energy drinks, and other products.

The list below provides the references to the research studies discussed in Learn About Caffeine.

People use caffeine for various reasons. Many of us enjoy the taste of popular caffeinated products…

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