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FRI, 30 OCT · 88 ITEMS
"Six artificial sweeteners linked to faster brain aging" — Science Daily · Science & Medicine
This refers to an 8-year observational study of nearly 12,800 Brazilian adults that found high consumption of six artificial sweeteners—, , , , , and —was linked to a 62% faster decline in memory and overall cognition, equivalent to about 1.6 years of accelerated brain aging. The study, published in the journal Neurology, tracks self-reported intake against repeated cognitive tests, reporting associations rather than proven cause-and-effect.
The claim stems from an 8-year prospective cohort study published in the peer-reviewed journal Neurology (PubMed ID 40902134). The Science Daily article is a secondary summary of that study; the primary source is a well-conducted observational study with a large sample, but its design can only identify associations, not prove the sweeteners cause faster brain aging.
The underlying study was first published in 2025 (Recirculation year given), so this October 2026 news wave is a resurfacing of older material, not genuinely new.
We covered the same study in July 2026, when it was first reported with the finding that high artificial sweetener intake was linked to cognitive aging about 1.6 times faster than low intake.