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.

Many different cups of coffee on dark wooden table, top view.

The Amount of Coffee Per Day That's Safe Is a Bit Surprising

Published Mar,20 2018 | By The LIVESTRONG.COM Team

A new study concludes that a healthy adult can safely consume up to four cups of coffee per day, or six shots of espresso.

PRINTABLE: The 11 Coffee Drinks You Should Avoid

Published Apr,18 2017 | By The LIVESTRONG.COM Team

There's much more than what meets the eye in a cup of Joe. Learn more with this printable version of The 11 Coffee Drinks You Should Avoid slideshow.