We have come a long way since 2009: https://www.sciencedirect.com/science/article/abs/pii/S1089860320301993 https://www.sciencedirect.com/science/article/abs/p

We have come a long way since 2009: https://www.sciencedirect.com/science/article/abs/pii/S1089860320301993 https://www.sciencedirect.com/science/article/abs/pii/S10898... What Sapolsky was talking about was correct, but the fundamental driver seems to be oxidative stress imbalance. And the genetics part might be highly associated with the mitochondria: https://www.nature.com/articles/s41380-021-01268-x https://www.nature.com/articles/s41380-021-01268-x