Heart Health
Does coffee help or harm your heart?
Americans' favorite morning brew has gotten mixed reviews over the years. Here's a closer look at some of coffee's cardiovascular effects.
- Reviewed by Christopher P. Cannon, MD, Editor in Chief, Harvard Heart Letter; Editorial Advisory Board Member, Harvard Health Publishing
Many people can't imagine starting their day without a cup or two of coffee. Despite its popularity, however, coffee has been a bit controversial when it comes to heart health.
"The thinking about coffee's effects on the heart has swung in both directions," says Dr. J. Michael Gaziano, professor of medicine at Harvard Medical School. In the 1960s, coffee was considered a risk factor for coronary artery disease, although later research suggested that only heavy coffee consumption (more than five or six cups a day) might harm the heart. But people who drink excessive amounts of coffee often differ in many other ways from those who enjoy modest amounts, Dr. Gaziano notes.
To continue reading this article, you must log in.
Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.
- Research health conditions
- Check your symptoms
- Prepare for a doctor's visit or test
- Find the best treatments and procedures for you
- Explore options for better nutrition and exercise
I'd like to receive access to Harvard Health Online for only $4.99 a month.
Sign Me UpAlready a member? Login ».
About the Author
Julie Corliss, Executive Editor, Harvard Heart Letter
About the Reviewer
Christopher P. Cannon, MD, Editor in Chief, Harvard Heart Letter; Editorial Advisory Board Member, Harvard Health Publishing
Disclaimer:
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.