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New Neurons Created Through Exercise Don't Cause You to Forget Old Memories

(Texas A&M University) Research has found that exercise causes more new neurons to be formed in a critical brain region, and contrary to an earlier study, these new neurons do not cause the individual to forget old memories, according to research…
Exercise is well known for its cognitive benefits, thought to occur because it causes neurogenesis, or the creation of new neurons, in the hippocampus, which is a key brain region for learning, memory and mood regulation. Therefore, it was a surprise in 2014 when a research study, published in the journalScience, found that exercise caused mice to forget what they'd already learned…
This new research should provide some comfort to those who read the earlier research and worried that their nightly run is causing them to forget things.
"Exercise is not at all harmful," [said Ashok K. Shetty, PhD]. "It doesn't cause any memory problems, and there are many studies proving its benefits for making new memories and maintaining good mood. Now, our study showed that exercise does not interfere with memory recall ability. Keep exercising, and don't worry about losing your old memories."
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