Emily Swaim
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Dimitrios Kambouris / Staff/ Brian Hagiwara/Getty Images/ Trisha Gopal/Insider

Scientific knowledge is ever-evolving and, ideally, self-correcting. Few fields demonstrate that better than the world of nutrition science. In the past, for instance, diet gurus and researchers have made declarations about the ills of having anything more than a little fat, no matter the kind; same with cholesterol.…
British and American "Food Wars" hosts Harry Kersh and Joe Avella swapped places to try each other's KFC menu items and find all the differences between the two. This is "Food Wars: Foreign Exchange."
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How healthy imitation crab is compared to other seafood, and what surimi sticks are actually made of
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Mikhaila Friel/Insider

A major change in how foods are labeled in the U.S. is about to arrive. The Food and Drug Administration has proposed stricter limits on what can be advertised as a “healthy” food—limits that are set to exclude many products that met the previous criteria. But what is this new criteria, and how could the labeling…

Taking vitamin D supplements was linked to lower rates of attempted suicide and intentional self-harm among former military members, new research found. In the study, scientists looked at data about a large group of U.S. veterans and determined that those given supplemental vitamin D were at lower risk for attempting…