Mixed
Adherence to a Mediterranean diet is associated with a statistically significant inverse association (reduced risk) for type 2 diabetes, cardiovascular disease, and cognitive decline, though the credibility of this evidence is rated as low to moderate due to heterogeneity.
Adopting a Mediterranean-style eating pattern is associated with reduced risks of type 2 diabetes, cardiovascular disease, and cognitive decline. While the evidence quality is moderate due to inconsistent definitions across studies, the consistent inverse association suggests that prioritizing plant-based foods, healthy fats, and lean proteins is a beneficial long-term strategy for chronic disease prevention.
Almost all meta-analyses reported inverse associations between MedDiet and risk of chronic disease, but the credibility of evidence was rated low to moderate.
Why this rating
The umbrella review rates the credibility of the underlying meta-analyses as 'low to moderate' due to heterogeneity and methodological flaws.
Source
Evaluating Mediterranean diet and risk of chronic disease in cohort studies: an umbrella review of meta-analyses
Cecilia Galbete et al. · European Journal of Epidemiology · 2018
DOI 10.1007/s10654-018-0427-3
Related findings · Mixed
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