Quick guide: Laser Eye Surgery recovery Which part of the body heals the fastest? How about the skin: the largest organ in the body and our outer barrier to the world that has to endure scratching, scrapes, cuts, abrasions, burns, and a whole heap of abuse every day. Or what about something like the liver? Our largest internal organ that never stops filtering blood, supporting the digestive system, and detoxifying the barrage of chemicals and toxins we pound it with. Well,…