Caffeine, as common as it is, is often given a bum rap. So whether you are a Coke, Pepsi, Mountain Dew or Dr. Pepper drinker, here are some facts from WebMD about this most interesting addictive drug.
Caffeine is a member of the xanthine family of stimulants. Theobromine found in chocolate, theophylline found in tea and asthma medications are other members of the family.
Caffeine content can vary widely from some 160-200 milligrams in some energy drinks to 4 milligrams per ounce in chocolate syrup. Most pop ranges from the mid-30s to the mid-50s per 12-ounce servings. Coffee also has a wide range depending on how it is brewed, but generally it is around 100 milligrams per 5 ounce serving, tea around 60.
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