Exciting DNA discovery of the 21st century

The Nobel prize in chemistry has been awarded to Tomas Lindahl, Paul Modrich and Aziz Sancar for their research into the mechanisms that cells use to repair DNA.The most exciting DNA discovery of the 21st Century.
We now know that to sustain Health and Longevity virtually every tissue in the body must have the ability for regeneration and self-repair without the ability to make DNA to support the process of cell repair and making new cells we expire