A friend of mine drinks 5 liters of coke a day. How much is too much caffeine?
A person develops a tolerance to caffeine over time. The average person in America consumes 3 mg of caffeine per kg/body weight daily. An example of this amount would be if a 150 pound person drank 2-3 cups of coffee or 5-6 cans of soda pop per day (see: http://www2.coca-cola.com/ourcompany/columns_caffeine.html). According to the Coca Cola Company, an 8 oz. serving of Coca Cola® contains 23 mg of caffeine, an 8 oz. serving of Diet Coke® contains 31 mg of caffeine, a typical 8 oz. cup of drip-brewed coffee contains 85 mg, a typical 8 oz cup of instant coffee contains 75 mg, and a typical 8 oz. glass of iced tea contains 25 mg of caffeine. Caffeine is a drug. It causes mild anxiety, increased gastric secretions, respiratory stimulation, increased heart rate and blood pressure, and increased urination. Long-term intake of more than 600 mg per day could lead to chronic insomnia, stomach upset, depression, paranoia, and chronic anxiety. If your friend can’t sleep well, is anxious or cranky
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- A friend of mine drinks 5 liters of coke a day. How much is too much caffeine?
