The Science of Coffee: Health Benefits, Calories & Tips

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.

Black coffee and a paper

Is Black Coffee Good for You?

Coffee is usually made by straining water through ground coffee beans. It naturally contains caffeine, a mild stimulant. Coffee is considered to be beneficial in moderate amounts, but drinking too much can cause adverse effects. For most people, moderate coffee consumption amounts to two to four cups a day.

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