Nutritionists explain coffee’s health benefits and risks, including caffeine side effects, sleep disruption, digestion, and how much coffee is okay daily.

Are you getting too much caffeine? Here's what researcher Marilyn Cornelis wants you to know.

To be told you should avoid coffee for your health would be tough. But, until recently, that’s been the common advice for many Americans with atrial fibrillation (AFib), an irregular heartbeat or ...

Add Yahoo as a preferred source to see more of our stories on Google. New research links moderate coffee drinking with healthy aging. (Stefania Pelfini, La Waziya Photography—Getty Images) In a ...

Drinking more than four cups of coffee a day can cause headaches and insomnia. Caffeine can increase your risk of heart disease when consumed in large amounts. Pregnant people should have no more than ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? A new study finds that drinking three cups of coffee could boost your ...