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TELEVISED MEDICAL TALKS – DO BELIEVE OR NOT TO BELIEVE | Healthy Cocoberry

TELEVISED MEDICAL TALKS – DO BELIEVE OR NOT TO BELIEVE

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TELEVISED MEDICAL TALKS – DO BELIEVE OR NOT TO BELIEVE

ABSTRACT
Televised medical talk shows—what they recommend and the evidence to support their recommendations: a prospective observational study
BMJ 2014; 349 doi: http://dx.doi.org/10.1136/bmj.g7346 (Published 17 December 2014)
Cite this as: BMJ 2014;349:g7346

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Christina Korownyk, associate professor of family medicine1, Michael R Kolber, associate professor of family medicine1, James McCormack, professor of pharmacy3, Vanessa Lam, research assistant2, Kate Overbo, research assistant2, Candra Cotton, pharmacist1, Caitlin Finley, research assistant1, Ricky D Turgeon, pharmacist3, Scott Garrison, associate professor of family medicine1, Adrienne J Lindblad, associate clinical professor of family medicine1, Hoan Linh Banh, associate professor of family medicine1, Denise Campbell-Scherer, associate professor of family medicine1, Ben Vandermeer, biostatistician4, G Michael Allan, professor of family medicine1
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Correspondence to: C Korownyk tina.korownyk@ualberta.ca
Accepted 19 November 2014
Abstract
Objective To determine the quality of health recommendations and claims made on popular medical talk shows.

Design Prospective observational study.

Setting Mainstream television media.

Sources Internationally syndicated medical television talk shows that air daily (The Dr Oz Show and The Doctors).

Interventions Investigators randomly selected 40 episodes of each of The Dr Oz Show and The Doctors from early 2013 and identified and evaluated all recommendations made on each program. A group of experienced evidence reviewers independently searched for, and evaluated as a team, evidence to support 80 randomly selected recommendations from each show.

Main outcomes measures Percentage of recommendations that are supported by evidence as determined by a team of experienced evidence reviewers. Secondary outcomes included topics discussed, the number of recommendations made on the shows, and the types and details of recommendations that were made.

Results We could find at least a case study or better evidence to support 54% (95% confidence interval 47% to 62%) of the 160 recommendations (80 from each show). For recommendations in The Dr Oz Show, evidence supported 46%, contradicted 15%, and was not found for 39%. For recommendations in The Doctors, evidence supported 63%, contradicted 14%, and was not found for 24%. Believable or somewhat believable evidence supported 33% of the recommendations on The Dr Oz Show and 53% on The Doctors. On average, The Dr Oz Show had 12 recommendations per episode and The Doctors 11. The most common recommendation category on The Dr Oz Show was dietary advice (39%) and on The Doctors was to consult a healthcare provider (18%). A specific benefit was described for 43% and 41% of the recommendations made on the shows respectively. The magnitude of benefit was described for 17% of the recommendations on The Dr Oz Show and 11% on The Doctors. Disclosure of potential conflicts of interest accompanied 0.4% of recommendations.

Conclusions

Recommendations made on medical talk shows often lack adequate information on specific benefits or the magnitude of the effects of these benefits. Approximately half of the recommendations have either no evidence or are contradicted by the best available evidence. Potential conflicts of interest are rarely addressed. The public should be skeptical about recommendations made on medical talk shows.