Cynthia Kenyon

It is unlikely that changes in telomeres are influencing the lifespan of the worm. That is because telomeres only shorten when cells divide. Most of the cells of the worm stop dividing when the worm becomes an adult.

I'm looking for all the things that are beneficial in the human genome. Everything that I do is based on a very simple principle: things that are beneficial will spread through populations very quickly.