I don't see anyone discussing that this is based on the National Health and Nutrition Examination Survey (NHANES). NHANES is all self-reported data meaning its

I don't see anyone discussing that this is based on the National Health and Nutrition Examination Survey (NHANES). NHANES is all self-reported data meaning its accuracy isn't great. It's a decent way of looking for potential research topics but is in no way definitive. Any papers coming from NHANES data should be considered pre-research. Real data on this topic will come from properly controlled studies.