Two FDA approved drugs were found to stimulate stem cells in the brain and spinal cord to regenerate to the protective coating around neurons that is damaged in diseases such as multiple sclerosis. Credit: Courtesy Case Western Reserve University; Illustrator: Megan Kern A pair of topical medicines already alleviating skin conditions each may prove to have another, even more compelling use: instructing stem cells in the brain to reverse damage caused by multiple sclerosis.
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