Yaping Wei, Benjamin Xu, Qiangqiang He, Ping Chen, Qi Zhang, Xi Zhang, Hui Yuan, Yong Duan, Zhuo Wang, Ziyi Zhou, Lishun Liu, Yun Song, Guangyun Mao, Xianhui Qin, Genfu Tang, Binyan Wang, Hao Zhang, Huiyuan Guo, Hanping Shi
Tobacco smoking is a major known risk factor for lung cancer. While micronutrients, especially those involved in maintaining DNA integrity and regulating gene expression, may be protective, research on this association is limited. This report aimed to investigate associations of total folate, 5-methyltetrahydrofolate (5-mTHF) and vitamin B12 with incident risk of lung cancer, and whether the associations vary by smoking status. A nested case-control study with 490 incident lung cancer cases and 490 controls matched by age (±1 year), sex, residence, and center, drawn from a community-based prospective study in China, was conducted from 2016 to 2019...
October 2, 2022: International Journal of Cancer. Journal International du Cancer