Chemical Intolerance identifies phenolic (aromatic) chemical compounds present in natural foodstuffs, pollens, certain food additives, tobacco smoke, perfumes, air pollution, etc., as nonimmunologic, but pharmacologic activators of allergic reactions in chemically intolerant individuals. Biochemical pathway sequences, with supporting scientific literature, are outlined to elucidate the mechanisms associated with formation of inflammatory mediators (prostaglandins, thromboxanes, and leukotrienes) upon activation by phenolic compounds and other chemical stimulants. The role of these...