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The original was posted on /r/science by /u/mvea on 2024-10-23 12:05:38+00:00.

Original Title: Bilingualism may maintain protection against Alzheimer’s disease and delay its onset by up to 5 years. Neuroimaging reveals larger, healthier hippocampus (the main region in the brain for learning and memory affected by Alzheimer’s) in patients who speak 2 languages.