Archives of medical research2026n = 3,302
Cross SectionalHuman
This study set out to explore how coffee, exercise, and sleep relate to semen quality in men. It surveyed 3,302 men aged 18-60, collecting semen samples and lifestyle data through…
Urology2026n = 766
Cross SectionalHuman
This study looked at how depression, testosterone levels, and shift work are linked in men with symptoms of low testosterone. It reviewed medical records and survey data from 766 men…
Journal of clinical medicine2025n = 418 (199 males, 219 females)
Cross SectionalHuman
This study set out to examine how sleep quality and daytime sleepiness together affect injury risk in physically active university students. It analyzed data from 418 students (199 males, 219…