Rhonda Patrick· PhD
A recent study found that just 3 weeks on a ketogenic diet increased BDNF levels by 47% and cerebral blood flow by 22%—and this was in healthy adults with normal cognitive function!
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
A recent study found that just 3 weeks on a ketogenic diet increased BDNF levels by 47% and cerebral blood flow by 22%—and this was in healthy adults with normal cognitive function!
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