Association between dietary inflammatory index and Parkinson’s disease from National Health and Nutrition Examination Survey (2003–2018): a cross-sectional study

Is this a joke??? This study by Chinese authors from Chinese hospitals was performed with data from the US!!!! In addition some of the references are quite suspicious.

Small cross-sectional study, but researchers find an association between dietary inflammatory index & #Parkinsons from US National Health & Nutrition Examination Survey (NHANES 2003–2018) data set; "...because the diet is a factor that can be chang