News Related to Dementia

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Vitamin D Shows Mixed Results for Brain Health and COVID Recovery in New Studies

Apr 02, 2026

A 16-year study links higher vitamin D levels in middle age to lower tau protein deposits in the brain, while a major COVID-19 trial finds vitamin D doesn't reduce acute severity but may help with long COVID recovery. Separate research shows supplementation improves vitamin D levels and stabilizes immune profiles in athletes and non-athletes.

NICE to Review Alzheimer's Drug Guidance After Appeals Upheld

Mar 25, 2026

NICE has upheld appeals to review its guidance on Alzheimer's drugs lecanemab and donanemab, sending the decision back to committee. The manufacturers argued NICE failed to account for the treatments' wider impact on unpaid carers. This comes amid broader challenges in neurodegenerative disease research following recent high-profile clinical trial failures.

Advanced CTE Strongly Linked to Dementia in Major Brain Study

Mar 03, 2026

A Boston University study of 614 brains found that advanced chronic traumatic encephalopathy (CTE) from repeated head impacts significantly increases dementia risk, with stage IV CTE making individuals 4.5 times more likely to have dementia.

AI and New Drug Targets Advance Alzheimer's Research Pipeline

Feb 13, 2026

Artificial intelligence is increasingly used to analyze Alzheimer's datasets and inform drug discovery, while researchers identify promising new drug targets including the IDOL enzyme and somatostatin receptors that could lead to more affordable treatments.