- ISBN: 9780072972238 | 0072972238
- Cover: Paperback
- Copyright: 3/9/2006
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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.