These books provide a range of opinions on a social issue; each volume focuses on a specific issue and offers a variety of perspectives, e.g., eyewitness accounts, governmental views, scientific analysis, newspaper accounts, to illuminate the issue.; This edition in the At Issue series includes a comprehensive look at current issues regarding cancer, including its treatment and prevention. The title explores the possible causes of cancer, including genetics and the environment, the use of vitamin D as; Greenhaven Press's At Issue series provides a wide range of opinions on individual social issues. Enhancing critical thinking skills, each At Issue volume is an excellent research tool to help readers understand current social issues and prepare reports.