Industry-Funded Sugar Study: Don’t Trust Other Sugar Studies

Two opposing papers in Annals of Internal Medicine battle over dietary guidelines on sugar.

Written byJoshua A. Krisch
| 2 min read

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PIXABAY, HUMUSAKDietary guidelines that recommend reductions in sugar intake are inconsistent and based on poor evidence, according to a study funded in part by the sugar industry, which was published in Annals of Internal Medicine this week (December 20). An accompanying editorial disputes this conclusion and notes the study authors’ financial ties to the International Life Sciences Institute, an organization funded by The Coca-Cola Company and other industry titans.

“This study suggests that placing limits on ‘junk food’ is based on ‘junk science,’” Dean Schillinger and Cristin Kearns of the University of California, San Francisco, wrote in the editorial. “Similar claims were made by the tobacco industry in its attempt to discredit evidence on the harms of tobacco.”

The industry-funded study reviewed nine sugar guidelines released over the course of two decades, including the World Health Organization’s recently updated recommendations. The study’s authors reported evidence to suggest that the guidelines are inconsistent—as they often call for different levels of sugar consumption—and based on shaky data. “Overall, I would say the guidelines are not trustworthy,” coauthor Bradley Johnston, an epidemiologist at the Hospital for Sick Children in Toronto told NPR’s The Salt. “What’s happening is ...

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