Bites of Bio

Topic

Neurology & Brain Health

Vitamin D, fish oil and glucosamine linked to faster cognitive decline: what the evidence showsAging & Longevity
Sep 27, 2026

Vitamin D, fish oil and glucosamine linked to faster cognitive decline: what the evidence shows

Vitamin D, fish oil, and glucosamine are familiar supplements, especially among older adults. In 2026, however, all three have been pulled into an uncomfortable scientific question: could a supplement taken for health actually become less helpful, or even harmful, as the brain ages? Several new studies have reported associations between supplement use and faster cognitive […]

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Xylitol in Chewing Gum and Sugar-Free Foods Linked to Higher Heart Attack and Stroke Risk, Large Study SuggestsNeurology & Brain Health
Aug 30, 2026

Xylitol in Chewing Gum and Sugar-Free Foods Linked to Higher Heart Attack and Stroke Risk, Large Study Suggests

A large prospective analysis of 17,710 people presented at the European Society of Cardiology (ESC) Congress 2026 in Munich found that high circulating blood levels of xylitol, a sugar alcohol widely used in chewing gum, mints, jams, yoghurts, and oral care products, were associated with substantially higher rates of major adverse cardiovascular events over follow-up […]

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