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This guest post was written by Dr. Brandi Ormerod, Associate Professor at the University of Florida, Department of Biomedical Engineering.

Dr. Ormerod's research program focuses on understanding how to use transplantable or endogenous neural stem cells to repair neural circuits in the diseased or injured brain, and how changes in levels of hippocampal neurogenesis across lifespan impact cognition. She originally posted a version of this article on Quora and gave us permission to share this version here.