International journal of molecular sciences2026n = 233
Cross SectionalHuman
This study looked at how diet and physical activity shape inflammation in healthy young men. It compared 233 men aged 18-30 grouped by activity level (low, moderate, high), measuring their…
Aging cell2026n = 101 men total (23 young, 57 older normal testosterone, 21 older low testosterone)
Cross SectionalHuman
This study looked at whether low testosterone in middle-aged and older men is tied to worse blood vessel health through effects on mitochondria, the tiny power plants inside cells. Researchers…
Journal of health, population, and nutrition2026
Narrative ReviewHuman
This review looked at how nutrition shapes male fertility at the cellular level, focusing on how nutrients affect sperm production, function, and DNA. It pulled together human, animal, and lab…
Translational andrology and urology2026n = 82 publications included
Narrative ReviewHuman
This review set out to explore how environmental factors affect sperm quality and male fertility. It analyzed 82 recent studies, mostly from 2020 onward, looking at pollutants, heat, radiation, and…
Scientific reports2026n = 98
Cross SectionalHuman
This study set out to understand how folic acid affects sperm health, especially in the context of inflammation in the reproductive tract. It looked at 98 men, measuring their red…
Biomedicines2026
Narrative ReviewHuman
This review looked at how psychological stress might affect male fertility through oxidative stress. It synthesized animal studies and human observational data to explore the link between stress, oxidative damage,…
Scientific reports2026n = 34
RCTHuman
This study compared two exercise approaches, high-intensity functional training (HIFT) and traditional resistance training (RT), for improving metabolic, inflammatory, and physical health in overweight men. Thirty-four men with an average…
American journal of men's health2026n = 7,418
Cross SectionalHuman
This study set out to explore how obesity and chronic inflammation relate to testosterone levels in men. It analyzed data from over 7,400 adult men in the US, using body…
Frontiers in physiology2026n = 369
Meta AnalysisHuman
This systematic review and meta-analysis looked at how combining aerobic exercise with other interventions affects metabolic, heart, and inflammation markers in men. It pooled data from 14 randomized controlled trials…
Toxicology reports2026
Narrative ReviewHuman
This review set out to examine how microplastics (tiny plastic particles) affect the male reproductive system at the cellular and molecular level. It compiled findings from multiple studies across scientific…
Journal of the International Society of Sports Nutrition2026n = 28
RCTHuman
This study compared two forms of omega-3 supplements, structured triglycerides (STGs) and physical mixtures (PMs), to see which better boosts blood EPA levels and muscle performance. Twenty-eight healthy young men…
Journal of personalized medicine2026
Narrative ReviewHuman
This review examined how oxidative stress, sperm DNA damage, and epigenetic changes interact to affect male fertility. It pulled together studies on men with infertility, looking at how these factors…
Journal of dietary supplements2025
Narrative ReviewHuman
This review set out to explore how dietary fatty acids (FAs) affect sperm quality and male fertility. It looked at recent studies on how different FAs influence sperm production and…
Nutrients2025n = 106
Cross SectionalHuman
This study looked at whether dietary polyphenols (plant antioxidants found in fruits, vegetables, tea, and olive oil) are linked to semen quality in young men. It analyzed 3-day diet records…
Antioxidants (Basel, Switzerland)2025
Narrative ReviewHuman
This review looked at how oxidative stress (cell damage from unstable molecules called reactive oxygen species, a normal byproduct of metabolism that turns harmful when it outpaces the body's defenses)…
Metabolites2025
Narrative ReviewHuman
This narrative review set out to explore how oxidative stress (an imbalance between harmful reactive oxygen species and the body's defenses) affects fertility in men and women, and whether dietary…
Journal of medical biochemistry2025n = 64 couples
Cross SectionalHuman
This study set out to identify which factors might influence pregnancy success in couples undergoing assisted reproductive technology (ART, fertility treatments that handle eggs and sperm outside the body). It…
Arab journal of urology2025
Narrative ReviewHuman
This narrative review set out to explore how lifestyle choices affect male fertility, examining diet, exercise, stress, sleep, weight, and environmental exposures. It synthesized existing research on how these factors…
Current issues in molecular biology2025
Narrative ReviewHuman
This review set out to examine how heavy metals like lead, mercury, and cadmium affect sperm quality and male fertility, focusing on their role in oxidative stress and antioxidant imbalance.…
Frontiers in nutrition2024n = 2032 men
Systematic ReviewHuman
This systematic review set out to assess whether following a Mediterranean diet affects sperm quality in men of reproductive age. It analyzed 10 studies involving over 2,000 men aged 18-55,…
BMC sports science, medicine & rehabilitation2022n = 15
RCTHuman
This study looked at whether adding sauna sessions after exercise affects gut bacteria, intestinal barrier function, and inflammation in young men. Fifteen untrained men were split into two groups: one…
Medicine and science in sports and exercise2020n = 10
RCTHuman
This study looked at how going without sleep affects muscle recovery after hard exercise. Ten men did 240 hard lengthening contractions of the thigh muscles, then either stayed awake for…
Annals of medicine2018n = 2269
CohortHuman
This study set out to see if regular sauna use is linked to lower inflammation and oxidative stress over time. It tracked 2269 middle-aged men for 11 years, measuring markers…
Cell metabolism2018
RCTHuman
This study set out to test whether the benefits of intermittent fasting come only from losing weight. Men with prediabetes ate all their meals inside a 6 hour window early…
PloS one2015n = 25
OtherHuman
This study looked at what sustained scrotal heating does to semen and to the sperm's genetic material in already fertile men. Twenty-five healthy volunteers wore a warming belt at 40…
Biomedical and environmental sciences : BES2012n = 10 per group
RCTHuman
This study set out to test whether spending a short time in a forest has measurable health benefits compared to staying in a city. Twenty healthy young men were split…