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Effects of Extremely High Caffeine Intake

author image Kathleen McGrath
Kathleen McGrath is a nutrition educator based in Atlanta, Ga. She began writing in 1995 in a corporate setting and currently writes for various websites. She earned a Master of Science in nutrition education from Georgia State University.

Caffeine is a stimulant that occurs naturally in coffee, tea and chocolate. It is also added to a variety of products, including energy drinks, soft drinks, alcoholic beverages, candy, gum, migraine headache medications and other medications. (Ref.4) Most people can tolerate 100 to 200 mg of caffeine every day, an amount equal to about to cups of coffee, cups of tea or soft drinks, according to the U.S. Food and Drug Administration. (Ref. 4) Extremely high doses, however, can cause serious and even life-threatening side effects. (Ref. 4) The amount of caffeine tolerated by the body varies among individuals, but the FDA warns that 600 mg -- the amount in 4 to 7 cups of coffee - is clearly _. (Ref. 4)

Central Nervous System Effects

CNS effect stimulant insomnia

Cardiovascular Effects

fast heart rate

ER visits high risk groups - kids can lead to death sources - energy drinks, alcohol combinations, caffeine tablets to stay awak avoid combining with other cafffeine products FDA - 600 mg (4 to 7 cups)

Developmental Effects

Kids are increasingly at risk pregnancy weight, nutrition


ER visits know caffeine content - it adds up no doz warn kids

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