Dr. Neil Nathan introduces fresh insights, updated information, and vital medical breakthroughs in this second edition of his bestselling book. Millions of people are suffering from chronic illnesses that, unbeknownst to them, are the result of exposure to environmental toxins and infectious agents such as mold and Borrelia, which causes Lyme disease. Millions. Because the symptoms of these illnesses are so varied and unusual, many of these individuals have sought medical care only to be dismissed, as if what they are experiencing is "in their head." Many (if not most) have tried to tough it out and continue to function without hope of improvement. Unfortunately, their illnesses are very real.The new edition of Toxic offers renewed hope for patients, their loved ones, and the physicians who care for them. Dr. Neil Nathan delves deeper into the harmful impact of chronic inflammation in driving disease and presents the latest information that can help both doctors and patients achieve faster and more complete healing. He has also expanded the chapter on mold toxicity, as it is increasingly recognized as a leading cause of complex illnesses.Drawing on decades of experience helping thousands of patients regain their health, even when other doctors had lost hope, Dr. Nathan continues to refine his understanding of the common causes of debilitating illnesses, leading to more precise and effective treatments. This updated edition sheds even more light on these complex conditions, offering patients and their families the crucial support they need.Key updates include: The latest testing and treatments in every chapterMajor medical breakthroughs in the identification and treatment of Lyme diseaseAn expanded section on the diagnosis and treatment of mold toxicityA dedicated chapter on COVID-19A comprehensive chapter on the health effects of electromagnetic fields (EMFs)A full chapter on new discoveries related to environmental toxinsReaders will have access to the comprehensive range of topics explored in the original edition, including: Information about how extreme sensitivity and toxicity develop in the body, how sensitivity and toxicity differ, and how they often overlapDetailed descriptions of each of the five major causes of extreme sensitivity and toxicity: mold, Bartonella (a co-infection of Lyme disease), mast cell activation, porphyria, and carbon monoxide poisoningAn outline of the cell danger response, a revolutionary model developed by Dr. Robert Naviaux that explains how the body essentially gets "stuck" fighting a threat even after the danger has passedA system-by-system plan for "rebooting" the body to break the cycle of illness and allow healing to beginInformation about coping with stress and embracing an emotional and/or spiritual awakening on the path to wellness