•Kisspeptin levels in infertile and miscarried women: a cross-sectional study on the relationship with methylenetetrahydrofolate reductase gene polymorphisms and biochemical parameters
•A detailed nutritional assessment may further elucidate the relationship between vitamin D and thyroid function
•Predictors of persistently elevated parathyroid hormone levels after parathyroidectomy: experience from a reference center
•Antibiotic stress-induced hormesis in phytoplankton and bacteria through their mutual cooperation
•Association between dietary B vitamins intake and age-specific blood pressure: A cross-sectional study in American adults