Tea does have caffeine. In fact, the raw material for making tea has more caffeine than the raw material for making coffee. I say it this way because, given the difference in preparation, the beverage coffee generally has more caffeine than the beverage tea.
So when I see a table comparing the amounts of caffeine in various beverages, does that mean tea is a bigger hit than the chart suggests because it's got theophylline in addition to the caffeine listed, or do they add 'em together and report the sum under the caffeine heading? (Either way of tallying it makes sense, depending on exactly what question the folks who made the chart thought they were answering.)
Hmm. Time for more fun with or more swearing at Google. (Depending on how long it takes me to find the right search phrase.)
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Hmm. Time for more fun with or more swearing at Google. (Depending on how long it takes me to find the right search phrase.)