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 ...

Ubiquitous industrial chemicals and pesticides have a "toxic effect" on germs that play a key role in maintaining human health and could be a threat to male reproductive health, according to two teams ...

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 ...

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 ...

Bill Sullivan receives funding from the National Institutes of Health. I am a microbiologist, and my lab studies Toxoplasma. This new study bolsters emerging findings that underscore the importance of ...