Heart Health
Lead and heart disease: An underappreciated link?
This toxic metal can boost blood pressure and may raise the risk of cardiovascular disease.
Image: © ogiana/Getty Images
Lead is widespread in our environment, and even low blood levels of this toxic metal may raise the risk of heart disease, a growing body of evidence suggests.
Last year, a study in Lancet Public Health found a link between lead exposure and a higher risk of death from cardiovascular disease. The data came from a nationally representative sample of more than 14,000 people in the United States who were adults in the late 1980s. The association persisted after researchers controlled for many confounding factors and was evident even among people with blood lead levels of less than 5 micrograms per deciliter (mcg/dL). Until 2013, only levels higher than 10 mcg/dL were considered worrisome, and mainly for children.
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 ».
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.
