Longevity & AgingOmega-3 Supplements Linked to Faster Cognitive Decline in Older Adults
A roundup of new neurology research raises concerns about omega-3 supplements and brain aging. Data from the Alzheimer's Disease Neuroimaging Initiative found that omega-3 fatty acid supplementation was associated with accelerated cognitive decline in older adults, possibly by harming cerebral synaptic function. Separately, disrupted sleep-wake cycles were linked to higher dementia risk in UK Biobank data. Older women with genetic Alzheimer's risk and poor sleep showed greater tau buildup and memory deficits. On the diagnostic front, a single MRI scan may help predict Alzheimer's outcomes. Other findings covered air pollution and Lewy body dementia, soccer heading and brain damage biomarkers, and metformin's potential role in reducing seizure complications.
