Letter to the editor regarding, “associations among vitamin d, tobacco smoke, and hypertension: a cross-sectional study of the nhanes 2001–2016” by wu et al.

Letter to the editor regarding, “associations among vitamin d, tobacco smoke, and hypertension: a cross-sectional study of the nhanes 2001–2016” by wu et al.


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Dear Editor, We read with interest the article “Associations among vitamin D, tobacco smoke, and hypertension: A cross-sectional study of the NHANES 2001–2016” by Wu et al. [1], in which the


authors used NHANES database, and found that the increased risk of hypertension could be partly attributed to low vitamin D levels induced by tobacco smoke exposure. We appreciate the


efforts of the authors for to shed light on this valuable and instructive topic for health policy. However, there was one question that we would like to communicate. Data in this study


included NHANES 2001–2016. However, we found that data for 25(OH)D from NHANES 2007–2010 can not be downloaded


(https://wwwn.cdc.gov/Nchs/Nhanes/Search/DataPage.aspx?Component=Laboratory&CycleBeginYear=2009). Therefore, we would like to know how the authors got these data. We once again thank the


authors for their contributions and hope that there will be more and better research studies in this area. REFERENCE * Wu Z, Wu Y, Rao J, Hu H, Wang C, Wu J, et al. Associations among


vitamin D, tobacco smoke, and hypertension: a cross-sectional study of the NHANES 2001-2016. Hypertens Res: Off J Jpn Soc Hypertens. 2022;45:1986–96. Article  CAS  Google Scholar  Download


references AUTHOR INFORMATION AUTHORS AND AFFILIATIONS * Department of Clinical Research Center, Xiaoshan First People’s Hospital, Hangzhou, 311200, Zhejiang, China Chenghong Zhang & 


Zhongxin Zhu Authors * Chenghong Zhang View author publications You can also search for this author inPubMed Google Scholar * Zhongxin Zhu View author publications You can also search for


this author inPubMed Google Scholar CORRESPONDING AUTHOR Correspondence to Zhongxin Zhu. ETHICS DECLARATIONS CONFLICT OF INTEREST The authors declare no competing interests. ADDITIONAL


INFORMATION PUBLISHER’S NOTE Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. RIGHTS AND PERMISSIONS Reprints and


permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Zhang, C., Zhu, Z. Letter to the editor regarding, “Associations among vitamin D, tobacco smoke, and hypertension: a cross-sectional study of


the NHANES 2001–2016” by Wu et al.. _Hypertens Res_ 46, 1615 (2023). https://doi.org/10.1038/s41440-023-01254-6 Download citation * Received: 02 February 2023 * Accepted: 24 February 2023 *


Published: 27 March 2023 * Issue Date: June 2023 * DOI: https://doi.org/10.1038/s41440-023-01254-6 SHARE THIS ARTICLE Anyone you share the following link with will be able to read this


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KEYWORDS * NHANES * Data * Question