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New Research Debunks Myth That Brain Cells Stop Growing After Childhood


The adult brain still carries stem cells that grow, divide, and eventually become new mature neurons.

“We’ve found clear evidence that the human brain keeps making new nerve cells well into adulthood,” study co-author Marta Paterlini, a neuroscientist at the Karolinska Institute in Stockholm, told Gizmodo. This isn’t the first paper to chip away at the idea of new neurons ceasing to form in adulthood (a concept not to be confused with general brain development, which does seem to reach maturity around age 30). These differences—combined with the team’s earlier research showing that adult neurogenesis slows down over time—may help explain people’s varying risk of neurological or psychological conditions, the authors say.

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