In the last several years caffeine and the role it plays in human health have received considerable attention. Caffeine is one of the most widely consumed drugs worldwide. Its stimulant effects are well known, and no doubt contribute to its popularity. The average American consumes caffeine in a wide variety of products.The widespread use of caffeine has prompted considerable study of its effect on humans. Caffeine has been linked to everything from "nerves" and heart palpitations through heart attacks and birth defects. While these links remain to be conclusively proven they have generated substantial interest for many persons with regards to sources and levels of caffeine in commercially available products. In fact, many individuals are actively limiting their caffeine intake and are interested in knowing the amount of caffeine in the products they consume.
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