Many studies have shown the health benefits of a Mediterranean diet. So start using olive oil instead of butter; eat more fruits, vegetables, and whole grains; and go easy on red meat.
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review 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.