Sticking With Mediterranean or MIND Diets Linked to Lower Dementia Risk
Following a Mediterranean or MIND diet long-term was linked to meaningful reductions in dementia risk in a study of over 130,000 U.S. nurses and health professionals. Those with the highest Mediterranean diet scores had 21% lower dementia risk, while top MIND diet followers had 14% lower risk. Higher adherence was also tied to 0.75 to 1.59 fewer years of cognitive aging and roughly 40% lower risk of self-reported cognitive decline. Even people who improved their diet over 4 or 8 years saw similar benefits.
Key Insight
This study suggests long-term adherence to Mediterranean or MIND diets may be associated with lower dementia risk.
Originalstudie
Verwandte Studien
Eating More Fruits, Fish, Nuts, and Dairy Tied to Slower Cognitive Decline
In over 3,000 Chinese older adults tracked for about five years, those who ate more from six protective food groups (fruits, vegetables, nuts, legumes, fish, and dairy) showed slower cognitive decline. People scoring highest on this diet scale declined about 0.42 points per year slower on a cognitive test compared to those scoring lowest. The effect was modest but consistent across different ways of measuring cognition.
Mediterranean Diet Linked to Lower Death Risk Across 1.8 Million People
Pooling 54 studies with over 1.8 million participants, each one-point bump on a Mediterranean diet score was linked to a 4% lower risk of dying from any cause. The studies covered diverse populations worldwide, with follow-up periods ranging from 2 to 60 years. Evidence certainty was rated moderate, meaning the association is fairly reliable but not ironclad.
Fish-Eaters and Vegetarians Show Slower Biological Aging Than Regular Meat-Eaters
Among over 400,000 UK adults, people who ate fish but little meat aged the slowest biologically. Vegetarians came in a close second. Regular meat-eaters aged fastest by two different biological age measures. These patterns held up over time too. People who stuck with low-meat, fish-based, or vegetarian diets saw their biological aging slow down compared to consistent meat-eaters during follow-up.
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