September 25, 2017
By Robert H. Shmerling, MD, Senior Faculty Editor, Harvard Health Publishing
What a difference a few years can make. Not long ago, I was learning about the dangers of coffee — how it could raise your blood pressure, make your heart race, impair sleep, and maybe even cause cancer.
Now, the World Health Organization (WHO) has taken coffee off the possible carcinogen list. And there’s increasing evidence that coffee might actually be good for you.
What’s changed? It’s all about the evidence.