The age of the father plays a role in pregnancy outcomes, with harmful genetic changes in sperm being substantially more ...

After wildfire exposure, men had less sperm overall and also less sperm that moved well enough to reach an egg for ...

Men having children much later in life could raise the genetic disease risk for their offspring, a study found.

Exposure to fine particulate matter in wildfire smoke has already been linked to health problems including respiratory issues ...

A new study by the University of Washington suggests that wildfire smoke exposure may reduce sperm concentration and quality ...