A genetic finding may hold the secret to increased immunity and life expectancy  

The skin wrinkles on a microscopic worm may provide the secret behind a better and longer life in humans. 

Researchers, based at the Washington State University's Elson S. Floyd College of Medicine, were studying Caenorhabditis elegans, which is a transparent nematode in the soil. It was then that they discovered how the nervous system takes charge of the small worm’s cuticle, an external barrier much like the skin, in....