Peter Attia· MD
well i think it means imagine a 90 year old who's functioning like a 70 year old and i think that's attainable right so i'm not talking about 90 year olds functioning like 20 year olds i think that's science fiction but i am talking about 90 year olds functioning like 70 year olds or 85 year olds functioning like 65 year olds but that is going to require a lot of preparation