My Dad used to tell us: 'En este pais ustedes van a poder lograr todas las cosas que nosotros no pudimos' 'In this country you will be able to accomplish all the things we never could.'
In fact when you combine stem cell technology with the technology known as tissue engineering you can actually grow up entire organs so as you suggest that sometime in the future you get in an auto accident and lose your kidney we'd simply take a few skin cells and grow you up a new kidney. In fact this has already been done.