How many years would you like to live?
Seriously: If you had a choice, what would the number be?
By the side of an expressway the other afternoon, I saw a billboard paid for by Prudential, the big insurance and financial-services company. The message, in letters large enough that no motorist zipping by could miss them: "The First Person To Live To 150 Is Alive Today."
For centuries, scientists have been debating theories about just how long, with proper health care and judicious personal habits, the human lifespan can extend. In recent years, the 150 number has been up for discussion.… Seguir leyendo »