An excellent critical analysis and scientific assessment of the nature and actual level of risk leading environmental health hazards pose to the public. Issues such as radiation from nuclear testing, radon in the home, and the connection between electromagnetic fields and cancer, environmental factors and asthma, pesticides and breast cancer and leukaemia clusters around nuclear plants are discussed and how scientists assesa these risks is illuminated. This book will enable readers to better understand environmental health issues and with the proper scientific understanding, make informed, rational decisions about them.