There's a lot more to this. E.g. there's is constant neurogenesis (new neurons being born) but most of those die before they can attach themselves. Aerobic exer

There's a lot more to this. E.g. there's is constant neurogenesis (new neurons being born) but most of those die before they can attach themselves. Aerobic exercise tends to improve their attachment (exact mechanism is not clear) so a lot of new brain cells find their place during sports activities.