Bryan Johnson· Author
Each 10% increase in ultra processed food intake > 25% higher dementia risk > 16% higher cognitive impairment risk > 8% higher stroke risk
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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.
Each 10% increase in ultra processed food intake > 25% higher dementia risk > 16% higher cognitive impairment risk > 8% higher stroke risk
Every Sunday: the week’s new conflicts and verdict changes — and nothing else.
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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Ultraprocessed foods impair cognitive function and raise dementia risk, even if you eat a "healthy" diet.
Among older adults, a 10% increase in UPF intake was linked to lower attention scores and a higher dementia risk.