Tetsuo Yanagida has said for years that he suffers from a little-known ailment known as multiple chemical sensitivity, a condition in which those afflicted experience breathing difficulties and other symptoms after exposure to chemicals in the surrounding human environment.Two decades later, he now renovates residential properties using chemical-free building materials to provide homes for people who suffer from the malady."My hope is to help people who can't even take in a deep breath at home or have given up on living a normal life," said Yanagida, 47, from Nishinomiya, Hyogo Prefecture, …READ FULL ARTICLE