The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
The interesting thing about blueberries and other berries, blackberries, dark currants, any of these thin-skinned berries that are purpleish in color, is that they contain what are called anthocyanins. Anthocyanins actually have some really nice data to support the fact that they improve brain function.
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
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The interesting thing about blueberries and other berries, blackberries, dark currants, any of these thin skinned berries that are purplish in color, is that they contain what are called anthocyanins.
Blueberry concentrate increased brain blood flow, brain activation & working memory in adults compared to placebo.
Meta-analyses of many randomized-controlled studies show that blueberry consumption or supplementation with anthocyanins (flavonoids in blueberries) improves attention, psychomotor speed (fine motor skills, shorter reaction time), and memory immediately in the short term and in the long term.
Something as simple as integrating a cup of blueberries into your daily diet can improve cognition. Evidence from meta-analyses of randomized trials reveals that blueberries and anthocyanins sharpen attention, quicken reaction times, and enhance memory—both immediately and long-term.
The power players in blueberries are these compounds called anthocyanins —powerful flavonoids that boost vascular function and brain blood flow.