The book "Effects of Isocyanates in Human Lymphocytes" offers a comprehensive analysis of the immunotoxic and genotoxic effects of methyl isocyanate on human lymphocytes. The research was conducted at the Bhopal Memorial Hospital and Research Center in India and highlights the health impacts suffered by the victims of the Bhopal gas tragedy in 1984. A central theme of the study is oxidative stress, which was assessed using various techniques. These findings aim to contribute to improving future risk management approaches and to deepen the understanding of the long-term effects of isocyanates on human health. The book is intended for professionals and students who are concerned with the effects of chemical substances on the immune system and genetic integrity.