Exercise may protect against Alzheimer’s: Study

Exercise produces a hormone that may improve memory and protect against Alzheimer’s disease, according to a study.

Exercise produces a hormone that may improve memory and protect against Alzheimer’s disease, according to a study. Researchers have previously discovered a hormone called irisin that is released into the circulation during physical activity. Initial studies suggested that irisin mainly played a role in energy metabolism. The latest study, published in the journal Nature Medicine, found that the hormone may also promote neuronal growth in the brain’s hippocampus, a region critical for learning and memory.

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