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Lindsey Goodwin

What is Caffeine?

By , About.com Guide   January 13, 2012

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OK, so I've covered the definition of coffee and the definition of tea, as well as many aspects of caffeine in coffee and tea.... It's about time I give a basic definition of caffeine! From how caffeine works to where it's found and how much caffeine is safe to whether or not it can help sober someone up, this working definition of caffeine includes all the basics on caffeine.

Curious to know more about caffeine? Ask your questions in the comments below.

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