Health science reports2026n = 30
RCTHuman
This study compared how two types of high-intensity exercise affect hunger hormones, appetite, and body composition in overweight and obese men. Thirty men were split into groups doing either running-based…
The journal of sexual medicine2026n = 639 men across 10 studies
Systematic ReviewHuman
This systematic review set out to assess how GLP-1 receptor agonists (a class of diabetes and weight-loss drugs) affect male reproductive hormones, semen quality, and metabolic health. It pooled data…
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…
Physiology & behavior2021n = 18
RCTHuman
This study set out to see how severe sleep restriction affects appetite, food intake, and appetite-regulating hormones in healthy young men. It compared three nights of very little sleep (2…