On Wednesday, the WHO’s cancer research arm—the International Agency for Research on Cancer—announced it had taken coffee off its list of items considered possibly carcinogenic to humans, where it was classified since 1991. However, the group said it was adding “hot beverages,” defined as 65 degrees Celsius (149 Fahrenheit) or hotter, to the list as probably carcinogenic due to a link to esophageal cancer. One former Starbucks barista claimed the company’s acceptable range for beverages was 145-165 degrees F, and even the coffee machine at my office clocked in at 160 F when I tested it Wednesday. So should we all switch to iced coffees?“There are these kinds of back and forths on nutrition information, because nutrition research is really hard to do and it’s hard to do well," said Timothy Caulfield, a Canada Research Chair in Health Law and Policy and a Professor in the Faculty of Law and the School of Public Health at the University of Alberta, and an author of several books on nutrition.

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