Peer-reviewed research concerning sperm health, summarized and appraised in plain language with every source cited.
This study looked at whether a heart-healthy lifestyle is linked to better sperm quality in young men, using the American Heart Association's Life's Essential 8 score. That score rates eight…
This study asked whether the pandemic changed how sensitive sperm production is to weather. It took 2,672 semen analyses from 1,287 Korean men collected between 2018 and 2024 and matched…
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)…
This study looked at how lifestyle and hormones affect semen quality and sperm DNA health in men. It examined 278 Indian men aged 21 to 50, measuring sperm count, movement,…
The 2025 European Association of Urology (EAU) guidelines aimed to update recommendations on diagnosing and treating male infertility, based on a structured review of new evidence. The panel assessed studies…
This study looked at whether obesity speeds up the decline in sperm quality that has been seen over time. Researchers reviewed semen tests from 2,430 men with normal sperm counts…
This study looked at whether vitamin D3 supplementation improves hormone levels and semen quality in infertile men. It pooled data from six randomized controlled trials involving 945 men, measuring changes…
This scoping review set out to map the evidence on how psychosocial work factors affect male fertility and sperm quality. It analyzed 18 peer-reviewed studies from 1990 to 2024, focusing…
This study set out to test whether 8 weeks of creatine supplementation, alone or combined with ubiquinol (a form of CoQ10), could improve sperm quality in men with normal and…
This review set out to examine whether mobile phones and laptops, as sources of electromagnetic radiation and heat, might harm male fertility by affecting semen quality. It analyzed existing studies,…
This review looked at how nicotine affects sperm function, focusing on its impact on key sperm nuclear proteins. It gathered evidence from studies on nicotine's role in sperm production and…
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…
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…
This study set out to see if microplastics (tiny plastic particles) are present in human semen and whether they might affect sperm health. Researchers analyzed semen samples from 45 men…
This study looked at whether exposure to air pollution, especially fine particles (PM2.5 and PM10), affects semen quality in men. It included 1,180 men aged 18, 45 from Foshan, China,…
This meta-analysis (a study that statistically pools many earlier studies) looked at how body mass index (BMI, a weight-for-height number used to flag over- or under-weight) relates to sperm quality…
This study set out to see how often men ejaculate affects their sperm health, focusing on DNA damage and other semen measures. It looked at 1,349 men visiting a fertility…
This study set out to see if sticking to a Mediterranean diet (MedDiet) is linked to better sperm quality and fertility outcomes in men. It pooled data from 11 studies,…