Journal of endocrinological investigation2026
Narrative ReviewHuman
This review looked at how aging affects men's hormones, sleep, and metabolism, centering on two kinds of hypogonadism (when the testicles do not make enough testosterone, causing symptoms like low…
Cureus2026
Narrative ReviewHuman
This is a narrative review (an expert summary of existing research, not a new experiment) asking whether testosterone replacement therapy (TRT) could help men with low testosterone hold onto muscle…
Current opinion in urology2025
Narrative ReviewHuman
This review gathers recent evidence on what damages male fertility and how much of it can be undone. Smoking raises sperm DNA fragmentation (breaks in the genetic material inside sperm)…
Clinical endocrinology2018
Narrative ReviewHuman
This review looked at the link between obesity and low testosterone in men, focusing on how weight affects hormone levels and what treatments might help. It examined studies on men…