Sorry, Adults, No New Neurons For Your Aging Brains

A hippocampal neuron seen in culture. Dendrites are green, dendritic spines are red and DNA is blue.

A major study is challenging the widely held view that adult human brains make new neurons.
 The study of brain samples from 59 people of various ages found no immature neurons in anyone older than 13, scientists report online Wednesday in the journal Nature.
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