The endogenous hydrogen gas (H2) drives women’s health: a comment on “Gut bacteria convert glucocorticoids into progestins in the presence of hydrogen gas” - Yang, Shuangling; Zhang, Jiongshan; Xu, Luyao; Guan, Yajie; Fang, Chun; Zheng, Shuhui; Yang, Hongzhi; Liu, Haimei; Zhang, Yaxing (Frontiers in Endocrinology, 2025)