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The original was posted on /r/science by /u/mvea on 2025-12-25 11:10:11+00:00.

Original Title: New study shows Alzheimer’s disease can be reversed to full neurological recovery—not just prevented or slowed—in animal models. Using mouse models and human brains, study shows brain’s failure to maintain cellular energy molecule, NAD+, drives AD, and maintaining NAD+ prevents or even reverses it.