Preventing Disease, the offspring of an extraordinary collaboration between the U.S. and Canadian Preventive Services Task Forces, presents a meticulous and objective review of the published evidence on preventive measures. Examining such diverse and relevant topics as screening for endometrial cancer, exercise counselling for healthy adults, and the evidence for a causal relation between dietary lipids and coronary heart disease, this volume reflects the editors' shared conviction that recommendations for preventive action should rarely exceed what is well justified by the evidence....