The truth about caffeine
Life Kit: Health
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What Is Caffeine?
Dr. Ugo Iroku is a gastroenterologist in New York City and associate professor at Mount Sinai Hospital, Division of Gastroenterology. He says he's often the person who has to tell his patients they need to alter or limit their relationship with caffeine. Caffeine is a naturally occurring stimulant that helps stimulate the brain and central nervous system.
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