Krop’s book is organized so that any reader can understand the biochemical basis for environmentally induced illness (roughly 2/3 of whatever ails humanity). He informs us of how triggers work in moulds, inhalants, fungi, chemicals and heavy metals, pesticide-laden foods and chemically contaminated furniture and clothing. It deals with food sensitivities, and genetic engineering versus organic produce. It has entire sections of special interest, such as ways to handle and treat autism, attention deficit disorder, hormone-and dental amalgam-related illnesses, menopause questions, premenstrual syndrome and much more. The bibliography contains sources from books, journals and the Internet for the lay reader and desperate patient