AUTHOR=Li Li , Liang Wankun , Deng Bing , Jiang Yue , Huang Xiaomin , Zhang Yanlin , Lu Tianrui , Wang Lu , Xu Yunxiang , Chen Guizhen TITLE=Association of dietary niacin intake with osteoporosis in the postmenopausal women in the US: NHANES 2007–2018 JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1504892 DOI=10.3389/fmed.2025.1504892 ISSN=2296-858X