This new edition of the most comprehensive text available in the field continues to provide a vast amount of information to enable consumers to make wise choices regarding health products and services. It offers a panoramic view of the health marketplace, while explaining the scientific methods that are essential for validating claims about how products and services affect health.Expanded Coverage of Sexual and Reproductive Health: The former "Especially for Women" chapter has been expanded into "Sexual and Reproductive Health," which now covers male and female concerns.Internet Integration: A companion website (www.chsourcebook.com) provides students and instructors with links to PubMed abstracts and full texts of many of the references that are found in the textbook. The site also includes chapter updates and other enrichment materials, as well as a free weekly email newsletter. Updated Nutrition Coverage: Chapter 11 offers a thorough discussion of food labels and the latest U.S. Dietary Guidelines, including the new MyPyramid. Student Focus: A streamlined Chapter 9, "Self-Care," is now more relevant for traditional students. Comprehensive Resource: Features such as a comprehensive index and clear organization encourage students to become intelligent consumers and use this book and others as resources. Author Expertise: Dr. Barrett is one of the leading authorities on combatting quackery; Dr. London has taught the course for many years and is Associate Editor of Health Digest; Dr. Baratz has a breadth of medical and dental expertise that is unmatched; and Dr. Kroger has encyclopedic knowledge of food, nutrition, and food technology. Straightforward Approach: This is the only college textbook that does not mince words in confronting the quackery widespread today. Disease Prevention: Many preventive strategies are addressed, with information on which ones are science-based and cost-effective.Consumer Tips: Boxes throughout the text provide the reader with quick, bulleted lists and suggestions to follow when making decisions. Personal Decisions: Pedagogical features such as "It's Your Decision" and "Personal Glimpse" encourage readers to make wise choices about personal health-care decisions.