Why does coffee cause stomach pain for some while helping others live longer? From the energy-boosting effects of caffeine to the calorie counts in your favorite Starbucks drinks, explore the true impact of coffee on the body.
A variety of drinks, foods and medications contain caffeine, including coffee, tea, soda, energy drinks, power bars, cocoa, chocolate and some pain medications. People react differently to caffeine, with some people being so sensitive to its effects that they cannot tolerate even small amounts.
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For many, coffee is an eye opener, a pleasant break or a way to make a social connection. However, anxiety and irritability sometimes occur in conjunction with drinking coffee. People who are not regular coffee drinkers are more prone to these side effects, according to an August 2010 study report published in "
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