This is a guest post by Professor Robert L. Gisel.
Why can't our skin remain youthful forever, all the while we age, without having to jump through hoops like lions at a circus? Did we sign up for this?
The body's heritage is simple minded survival. If you are not going to live very long because the saber tooth tigers are far too dominating, the body needs to grow up fast, but the body doesn't want to invest overly... Read More