I think, soon enough, we will be able to do both. But even if not, I think the question is: should we try to? Is this something to look for? In my case I guarantee the answer is yes! And more, I don't want to live more 50 years being a 100 years old. I want to love a 100 years more as a 50 year old. We will only achieve both withe biotechnology and interventing with biology.