Newer blood thinners may do more than prevent strokes in people with Alzheimer’s disease and atrial fibrillation. Researchers found that patients taking NOACs (non-vitamin K oral anticoagulants) experienced a slower decline in cognitive function compared to those using warfarin or no blood thinners at all. While the effect was modest on a year-to-year basis, researchers note it could accumulate into a meaningful difference over the course of several years, potentially helping patients retain independence and quality of life for longer. The findings suggest that a class of drugs already widely prescribed for heart health and stroke prevention could carry an added, unexpected benefit for the brain, opening the door to further research into how blood-clotting pathways might influence neurodegeneration in Alzheimer’s disease.
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