Caffeine is generally safe to drink up to 400 milligrams a day, according to the Food and Drug Administration (FDA). That's equivalent to about four or five cups of coffee. For the average person, ...

It's a kick-start for the day, a jolt many of us need to power through, and one of the last socially acceptable addictions. It's only when we have to go without coffee that we realise how badly we ...

Discover the real impact of caffeine.

Caffeinated coffee may reduce the risk of type 2 diabetes and heart disease. Decaf coffee can be better for those sensitive to caffeine, but may contain unwanted chemicals. Both decaf and regular ...

Julie Wolfson is a writer and arts educator living Los Angeles who focuses on telling stories about the creative process. She has covered the world of coffee visiting farms, roasteries, and cafes ...

This article was originally featured on The Conversation. For many people, the aroma of freshly brewed coffee is the start of a great day. But caffeine can cause headaches and jitters in others.