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Gary Schwitzer asks,

Is the news media doing a good job of reporting on new treatments, tests, products, and procedures? Ray Moynihan and colleagues analyzed how often news stories quantified the costs, benefits, and harms of the interventions being discussed, and how often they reported potential conflicts of interest in story sources [1]. Of the 207 newspaper and television stories that they studied, 83 did not report the benefits of medications quantitatively, and of the 124 stories that did quantify the benefits of medications, only 18 presented both relative and absolute benefits. Of all the stories, 53% had no information about potential harms of the treatment, and 70% made no mention of treatment costs. Of 170 stories that cited an expert or a scientific study, 85 (50%) cited at least one with a financial tie to the manufacturer of the drug, a tie that was disclosed in only 33 of the 85 stories.

Moynihan et al. (2000) inspired some Australians to do a similar survey in 2004, which found after six months that Australian print and online news coverage of medical advances was “poor.” Now, Schwitzer has done a more extensive survey of United States media. The punchline is as follows:

In our evaluation of 500 US health news stories over 22 months, between 62%–77% of stories failed to adequately address costs, harms, benefits, the quality of the evidence, and the existence of other options when covering health care products and procedures. This high rate of inadequate reporting raises important questions about the quality of the information US consumers receive from the news media on these health news topics.

Details are available at PLoS Medicine. Now, we just need somebody to pay for a similar survey of non-medical science reporting.

(Tip o’ the fedora to Steve Novella.)