Peer-reviewed research concerning reproductive, summarized and appraised in plain language with every source cited.
This is a narrative review, which means the authors gathered and discussed existing work rather than running a study of their own. It asks whether the damage COVID-19 does to…
This systematic review and meta-analysis set out to find which lifestyle, environmental and health factors go with higher sperm DNA fragmentation, meaning breaks in the genetic material inside sperm, where…
This meta-analysis set out to examine how alcohol intake affects male reproductive health by looking at semen quality, antioxidant levels in semen, sperm DNA damage, and sex hormones. It pooled…
This study set out to examine how cigarette smoking affects semen quality, hormone levels, metabolic health, zinc levels, and sperm DNA damage in young Russian men. It compared 450 smokers…
This study looked at whether following a Mediterranean diet (MD) is linked to healthier sperm in men. Researchers surveyed 300 men (average age 35) visiting a reproductive medicine center, using…
This study set out to look at whether microplastics are present in human semen, a concern given animal studies suggesting they might harm reproductive health. Researchers analyzed semen samples from…
This study set out to examine global trends in sperm count over the past several decades. It pooled data from 223 studies, including semen samples collected from men worldwide between…