Gut Reaction is an entertaining as well as informative true story about the author's battle to save her son's life - or at least his large intestine - from a very severe case of Crohn's disease. With persistence, humour, much searching of the Internet and the help of two unusual doctors, one in Canada and the other in Australia, she and her son, who was in his early twenties, finally find a regime of fecal infusions that replaces the bacteria that...