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Saturday, March 22, 2014

Conspiracy Theory

Reuters reports on an article in  JAMA Internal Medicine:
About half of American adults believe in at least one medical conspiracy theory, according to new survey results.
Some conspiracy theories have much more traction than others, however.
For example, three times as many people believe U.S. regulators prevent people from getting natural cures as believe that a U.S. spy agency infected a large number of African Americans with the human immunodeficiency virus (HIV).
J. Eric Oliver, the study's lead author from University of Chicago, said people may believe in conspiracy theories because they're easier to understand than complex medical information.
...
For the new study, he and his colleague used data from 1,351 adults who answered an online survey between August and September 2013. The data were then weighted to represent the U.S population.
The participants read six popular medical conspiracy theories and then indicated whether they had heard of them and whether they agreed or disagreed with them.
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They include the theory that the government knows cell phones cause cancer but does nothing about it, that genetically modified organisms are being used to shrink the world's population, that routine vaccinations cause autism and that water fluoridation is a way for companies to dump dangerous chemicals into the environment.
Some 49% of the survey participants agreed with at least one of the conspiracies.
In fact, in addition to the 37% of respondents who fully agreed that U.S. regulators are suppressing access to natural cures, less than a third were willing to say they actively disagreed with the theory.
With regard to the theory that childhood vaccines cause psychological disorders like autism and the government knows it, 69% had heard the idea, 20% agreed with it and 44% disagreed.