New research published in Neurology Open Access suggests that women who adhere closely to a Mediterranean-style diet enjoy a noticeably lower chance of suffering a stroke. While the study doesn’t prove the diet directly prevents strokes, it reveals a strong association between this eating pattern and better long‑term vascular health.
Participants who scored highest on a Mediterranean‑diet index experienced fewer strokes of both major types—ischemic (blockage‑related) and hemorrhagic (bleeding‑related). The findings underline how dietary choices can shape outcomes decades later.
What Makes a Mediterranean Diet?
The plan emphasizes abundant vegetables, fruits, legumes, whole grains, fish, and olive oil while limiting red meat, dairy, and foods high in saturated fats. Moderate wine consumption also earns a point in the scoring system.
Study Design: Over 100,000 Women Tracked for Two Decades
Researchers followed 105,614 women—average age 53—who had never had a stroke at baseline. Each woman completed a detailed food questionnaire, and her responses were tallied into a score from 0 to 9 based on how closely her habits matched Mediterranean guidelines.
About 30 % of participants earned a high score (6‑9), while roughly 13 % fell into the low‑score bracket (0‑2).
Stroke Incidence Over 21 Years
During an average follow‑up of 21 years, the cohort recorded 4,083 strokes (3,358 ischemic and 725 hemorrhagic). Women in the top diet‑score group experienced 1,058 ischemic strokes versus 395 in the lowest group, and 211 hemorrhagic strokes versus 91.
After adjusting for smoking, exercise, blood pressure, and other risk factors, those with the highest Mediterranean scores were 18 % less likely to have any stroke, 16 % less likely to face an ischemic event, and 25 % less likely to endure a hemorrhagic bleed.
Why It Matters and Caveats
“Stroke remains a leading cause of death and disability, so it’s encouraging to see diet emerging as a modifiable risk factor,” said lead researcher Wang. “Further work is needed to confirm these links and uncover the biological pathways involved.”
A key limitation is the reliance on self‑reported dietary data, which can introduce recall bias. Nonetheless, the study was funded by the National Institute of Neurological Diseases and Stroke, adding credibility to its methodology.