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Gregory Dana Ullman (born December 22, 1951) is an American author, publisher, journalist, and proponent in the field of homeopathy. Ullman received his MPH from the University of California at Berkeley, and co-taught a course on homeopathy at University of California at San Francisco for four years. Ullman served as a member of the Advisory Council of the Alternative Medicine Center at Columbia University's College of Physicians and Surgeons. In previous years he served as chairperson for the National Center for Homeopathy's Annual Conference,〔 and has been a consultant to Harvard Medical School's Center to Assess Alternative Therapy for Chronic Illness.〔(【引用サイトリンク】url=http://us.penguingroup.com/nf/Author/AuthorPage/0,,1000040566,00.html )〕 He has spoken at universities, medical schools, pharmacy schools, and hospitals.〔 Journalist John Stossel of ''ABC News'' described Ullman as "homeopathy's foremost spokesman." Anastasia Toufexis of ''Time Magazine'' described him as a "leading proselytizer of homeopathy". He was called as an expert witness in a class action against a homeopathy Vendor for misleading marketing claims. The judge said: ==Views and controversies== Ullman was interviewed on the American Broadcasting Company program ''20/20'' in a segment about homeopathy (January 30, 2004).〔 He claimed that homeopathic preparations of extremely high dilution, i.e. those likely to contain zero molecules of the original substance, are effective because, he said, "the water gets impregnated with the information or memory of the original substance."〔 When asked to suggest a laboratory experiment that 20/20 could independently conduct as a way to test the legitimacy of homeopathy, Ullman recommended the Ennis experiment, a study that seemed to show that ultra-dilute solutions of histamine, diluted to the levels used in homeopathic remedies, could affect cells just as the controls did.〔name="top13">〕〔name="Ennis2001-1">""We are unable to explain our findings and are reporting them to encourage others to investigate this phenomenon."〕〔name="Ennis1999-1">〕 The result of 20/20's experiment was negative; the homeopathic dilution failed to produce a measurable effect when compared to plain water.〔 He claimed the test was flawed as it was not a direct replication of Ennis' work.〔("John Stossel and 20/20's Program on Homeopathy: Junk Science Creates Junk Journalism When TV Science Creates Science Fiction" ), homeopathic.com; accessed May 4, 2014.〕〔(Homeopathic Educational Services )〕 However, this experiment and one run by the BBC were ruled to be valid by independent experts commissioned by the BBC. In an editorial in ''The Journal of the Federation of American Societies for Experimental Biology'', editor-in-chief Gerald Weissmann criticized the scientific basis of homeopathy and included Dana Ullman in his criticism. Weissmann criticized Ullman for recommending, during the 2001 anthrax attacks in the USA, the use of the homeopathic preparation called ''Anthracinum'' to prevent infection. Ullman claimed he recommended ''Anthracinium'' for people who are at high risk of infection and who decline ciprofloxacin because of concerns over its side effects. While Ullman expressed concern about vendors "taking advantage of people wrapped up in the fear of the situation", he said "It would be irresponsible for us not to provide something that might be helpful."〔 There is no evidence for the efficacy of ''Anthracinum'', which is derived from nosodes gathered from infected pigs, and then diluted to "a point where no molecules of the disease product remain."〔〔 In a right-of-reply letter, Ullman depicted Weissmann's editorial as an "unscientific critique" of homeopathy and cited five peer-reviewed studies. Weissmann responded: "Mr. Ullman is clearly a devotee of his art, and I respect his opinions. I'm afraid that I view Mr. Ullman’s references to the efficacy of homeopathy as modern versions of those Dr Holmes distrusted," and went on to quote from a well-known critique of homeopathy by Oliver Wendell Holmes, Sr.: ''"...such cases deserve very little confidence. Yet they may sound well enough, one at a time, to those who are not fully aware of the fallacies of medical evidence."''〔Holmes, O. H. (1892) "Homeopathy and Its Kindred Delusions" at Wikisource; retrieved 2013-11-27.〕 Kimball Atwood coined the "Dull-Man Law" in vein of Godwin's Law to characterize Ullman's persistent, irrational, and self-serving arguments in online discussions defending homeopathy, which states "In any discussion involving science or medicine, being Dana Ullman loses you the argument immediately…and gets you laughed out of the room." 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Dana Ullman」の詳細全文を読む スポンサード リンク
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