Recent Blog Articles
Treatments for rheumatoid arthritis may lower dementia risk
Scoring highly on Alternative Healthy Eating Index lowers risk for many illnesses
Can self-employment promote better cardiovascular health for women?
Why is it so challenging to find a primary care physician?
Harvard Health Ad Watch: A new injection treatment for eczema
3 simple swaps for better heart health
I’m too young to have Alzheimer’s disease or dementia, right?
Asking about guns in houses where your child plays
Behavioral weight loss interventions: Do they work in primary care?
Who needs treatment for ocular hypertension?
Taking the myth (and, alas, some of the romance) out of chocolate and the heart
The approach of Valentine's Day each year brings the latest crop of "chocolate is good for your heart" articles. We would all like to believe that a sweet treat protects the heart and arteries. But that notion isn't completely supported by the evidence.
Some studies show a strong connection between eating chocolate and less heart disease. In a survey of nearly 5,000 American adults, those who said they ate chocolate five times a week were 40% less likely to have ever had a heart attack or to have needed an artery-opening procedure (Clinical Nutrition, December 2010). A similar trend was seen in a large German study. In these types of studies, though, it is impossible to tell if eating chocolate protects the heart and arteries or if people who eat chocolate also do other things that are responsible for this protection.
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 Up
Already a member? Login ».
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.
Free Healthbeat Signup
Get the latest in health news delivered to your inbox!