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1. Main Finding:
Higher adherence to the Mediterranean diet is associated with a lower risk of all types of stroke – both ischemic (caused by blocked blood flow) and hemorrhagic (caused by bleeding in the brain).The reduction in risk was particularly notable for hemorrhagic strokes (25% lower risk).
2. What is the Mediterranean Diet?
The diet emphasizes:
* High intake of: Vegetables, fruits, legumes, fish, olive oil (healthy fats), whole grains.
* Limited intake of: Dairy products, meat, and foods high in saturated fats.
* Moderate alcohol consumption is also considered part of the diet.
3. Study Details:
* Participants: 105,614 women with no prior history of stroke.
* Average Age: 53 years old.
* Duration: 21 years (long-term study).
* Method: Participants completed a diet questionnaire, and were given a score (0-9) based on how closely thier diet matched the mediterranean diet.
* Results:
* 4,083 strokes occurred during the study period (3,358 ischemic, 725 hemorrhagic).
* Women in the highest adherence group (scores 6-9) had:
* 18% lower risk of any stroke.
* 16% lower risk of ischemic stroke.
* 25% lower risk of hemorrhagic stroke.
* Approximately 30% of participants were in the highest adherence group, and 13% were in the lowest (0-2).
4. Expert Opinion:
Sophia S. Wang, PhD (study author), stated that the findings support the growing evidence that a healthy diet is crucial for stroke prevention. She highlighted the importance of the finding applying to hemorrhagic stroke, as this type hasn’t been extensively studied in relation to diet.
5. Study Limitations:
* Self-Reporting: Participants reported their own dietary habits, which could be subject to recall bias or inaccuracies.
6. Funding:
The research was funded by the National Institute of Neurological Diseases and Stroke.
7.publication Information:
* Title: “Mediterranean diet and the Risk of stroke Subtypes in WomenThe California Teachers Study”
* Journal: Neurology Open Access
* Date: February 4,2026
* DOI: 10.1212/WN9.0000000000000062
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