FiveThirtyEight recently had a terrific article about how difficult it is to apply statistical methods to nutrition studies. In a nutshell, the issues are confounding with observational studies, observer bias, and p-hacking. I recommend reading the whole thing: http://fivethirtyeight.com/features/you-cant-trust-what-you-read-about-nutrition/
You Can’t Trust What You Read About Nutrition
Published by John Quintanilla
I'm a Professor of Mathematics and a University Distinguished Teaching Professor at the University of North Texas. For eight years, I was co-director of Teach North Texas, UNT's program for preparing secondary teachers of mathematics and science. View all posts by John Quintanilla
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