Sponsored studies have become America's most powerful and popular tool of persuasion. Tainted Truth shows that much of what we learn from them is false. Although the studies and surveys wear the guise of objective science, their findings almost invariably reflect their sponsors' intentions. In this important and provocative book, Cynthia Crossen reveals how the manufacturers of silicone breast implants did not disclose information regarding the dangers of the implants, how the demise of the cloth-diaper industry was influenced by questionable statistics paid for by Procter & Gamble -- the leading supplier of disposable diapers, and how even the confirmation of Clarence Thomas to the Supreme Court was influenced by fast and biased polls.