Endocrine

Effects of cigarette smoking on semen quality, reproductive hormone levels, metabolic profile, zinc and sperm DNA fragmentation in men: results from a population-based study.

Frontiers in endocrinology2023n = 1,222 (450 smokers, 772 non-smokers)

This study set out to examine how cigarette smoking affects semen quality, hormone levels, metabolic health, zinc levels, and sperm DNA damage in young Russian men. It compared 450 smokers…