A cross-sectional study from NHANES found a positive association between obesity with bone mineral density among postmenopausal women.

"Declarations Ethics approval and consent to participateAll datasets generated during and/or analyzed during the current study are publicly available and free of charge. The data used in this study are from publicly available data frames released by the CDC of the US. The National Center for Health Statistics Research Ethics Review Board reviewed and approved the study.(https://www.cdc.gov/nchs/nhanes/). Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding We are delighted that the author receive support from The Academic Experience inheritance work project of Chinese medicine experts in China (Grant. Chinese Medicine Education and Development [2017] No. 29)."