Regular and decaf coffee both contain beneficial phytonutrients, most notably polyphenols, which are considered good for your heart and may prevent disease.

In a 2014 meta-analysis of 28 different studies, researchers found that both decaf and regular coffee drinkers had a reduced risk of developing Type 2 diabetes.

A new review confirms evidence that moderate coffee consumption — or 3 to 5 cups a day — may be linked to reduced risks of ...