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Heart Health
A healthy drizzle: Olive oil linked to lower heart-related deaths
- By Julie Corliss, Executive Editor, Harvard Heart Letter
Research we're watching
Consuming just a half-tablespoon or more of olive oil a day is linked to a lower risk of dying from heart disease and other chronic health conditions, new research suggests.
The study included more than 92,000 women and men from the Nurses’ Health Study and the Health Professionals Follow-up Study, who filled out diet questionnaires every four years for 28 years. Olive oil intake was calculated from how much they reported using in salad dressings, on bread and other food, and in baking or frying.
Compared with participants who rarely or never consumed olive oil, those who consumed the most (about a half-tablespoon or more daily) had a 19% lower risk of dying from heart disease during the study. Researchers also noted lower death rates over all among people who substituted olive oil for a similar amount of margarine, butter, mayonnaise, or dairy fat. The findings, published Jan.18, 2022, in the Journal of the American College of Cardiology, lend further support for choosing olive oil — a key component of the heart-friendly Mediterranean diet.
Image: © nensuria/Getty Images
About the Author
Julie Corliss, Executive Editor, Harvard Heart Letter
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