In recent years, there has been an explosion of interest about the use of `antioxidant' nutritional supplements. Do they really defend the body against diseases? Should we all be taking vitamin E, vitamin C, or more of certain polyunsaturated fats?Written by two leading experts in the field of free radicals in biology and medicine, this book unravels the confusion caused by many nutrition-related claims, and clarifies the situation over whether maintaining high intakes of vitamins, minerals, and other food consituents really does help protect against life-threatening diseases.