caffeine

Pronunciation: [ka-FEEN]

An organic compound found in foods such as chocolate, coffee, cola nuts and tea. Scientific studies have shown that caffeine stimulates the nervous system, kidneys and heart, causes the release of insulin in the body and dilates the blood vessels.

From The Food Lover's Companion, Fourth edition by Sharon Tyler Herbst and Ron Herbst. Copyright © 2007, 2001, 1995, 1990 by Barron's Educational Series, Inc.

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