Common insecticides harm sperm in rodents and may pose risks for human fertility. Simple steps can lower exposure, but key ...

Scientists have hypothesized that human male reproductive deficits may have a common origin: a disturbance in the level of androgen and other critical hormones during fetal development. The results ...

_Toxoplasma_ can infiltrate the reproductive system. wildpixel/iStock via Getty Images Plus I am a microbiologist, and my lab studies Toxoplasma. This new study bolsters emerging findings that ...

A late 1800s image of a gorilla male, albeit one probably not thinking about reproductive senescence How do you check the cardiovascular function of a large gorilla ...

BUFFALO, N.Y. — Despite their formidable bodies, male gorillas are lacking in one particular area of their anatomy. They have the smallest penises and testes of all apes, and produce a low amount of ...

The testes, also known as testicles, are the primary male reproductive organs. They are responsible for producing sperm and ...

A dioxin toxin contained in the herbicide Agent Orange affects male reproductive health by limiting the growth of the prostate gland and lowering testosterone levels. A dioxin toxin contained in the ...

Human reproduction requires both male and female gametes. Gametes are special sex cells that contain the genetic information necessary to create a new life. Men produce millions of gametes called ...

The chromosome associated with male development, which is the last mysterious piece of the human genome, has been fully sequenced by a team of more than 100 researchers around the world, including ...

(Philadelphia, PA) – Over the last ten years, US researchers have observed a marked increase in some male reproductive disorders, including undescended testicles, increased instances of testicular ...