I think the reality is that the brain is an organ and loses functionality in old age, similar to the heart, lungs, liver, skin, whatever you want to name. Lifes

I think the reality is that the brain is an organ and loses functionality in old age, similar to the heart, lungs, liver, skin, whatever you want to name. Lifestyle plays a significant role and I think you’ll find that people that take care of themselves and have less loss of functionality are significantly happier and wiser in their old age. I do think that there’s adaptive functionality in hormonal changes though