Could you provide a source for that? I recently tried to read up on the topic and everything I found stated that brain/nervous cells are generally barely regen

Could you provide a source for that? I recently tried to read up on the topic and everything I found stated that brain/nervous cells are generally barely regenerated and can stay with you your whole life. Granted, most articles trace back to this source[0] from 1967, but if newer information exists, they've done a really bad job at spreading it. [0]: https://bionumbers.hms.harvard.edu/bionumber.aspx?&id=101940 https://bionumbers.hms.harvard.edu/bionumber.aspx?&id=101940