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.

Ice Coffee

Calories in a Burger King Iced Coffee

Coffee typically contains few if any calories, but when you add sugar and dairy products to coffee drinks, the calories start to rise. Burger King offers three different kinds of iced coffee, and all three have added sugar and fat from dairy and sweeteners.

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close up of a laptop on a kitchen table with a cup of coffee

Can Coffee Deplete Magnesium?

Minerals such as magnesium play an important role in the human body, even though you only need a relatively small amount of them for optimum health -- less than half a gram per day. If you drink coffee, you may not absorb magnesium efficiently, possibly leading to a magnesium deficiency.

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