> My current understanding is that new neurons aren't so easily formed because your brain is actually so efficient, it will simply form new pathways between exi

> My current understanding is that new neurons aren't so easily formed because your brain is actually so efficient, it will simply form new pathways between existing neurons to do the same thing it once did with lost or damaged neurons. That's what we have been taught at school. Meanwhile we better understand neurogenesis, creation of nerves, and neuroplasticity, rewiring of nerves: https://www.psychologytoday.com/us/blog/the-athletes-way/201702/how-do-neuroplasticity-and-neurogenesis-rewire-your-brain https://www.psychologytoday.com/us/blog/the-athletes-way/201... In a nutshell, the brain continues to grow new nerves and new connections throughout our whole lives. Hth?