A man who went 365 days without masturbating would also have experienced the biological effects of not ejaculating for an ...

The body keeps producing sperm even if you haven't ejaculated and a simulation shows what happens inside your body to the excess stuff.

It took a while for the science to basically catch up to that suspicion.” In these types of “recessive” conditions, the ...

Researchers often use a nematode worm called Caenorhabditis elegans (C. elegans) to study human genetics because at the molecular level, we have a lot in common with these organisms. Scientists used a ...

Some children have already died and only a minority who inherit the mutation will escape cancer, a new report stated on Wednesday, Dec. 10 Becca Longmire is a digital news writer-reporter at PEOPLE.

Add Yahoo as a preferred source to see more of our stories on Google. Ultrastructure expansion microscopy of murine male germ cells reveals the fine molecular structures of centrioles (shown in the ...

Oct 10 (Reuters) - (This is an excerpt of the Health Rounds newsletter, where we present latest medical studies on Tuesdays and Thursdays. To receive the full newsletter in your inbox for free sign up ...

While men may be able to have children much later than women, doing so could come with an increased risk of inherited disease for their children. Researchers from the Wellcome Sanger Institute have ...

The risk of older fathers passing on disease-causing mutations to their children is higher than we thought. Genome sequencing has revealed that among men in their early thirties, around 1 in 50 sperm ...

In a proof-of-concept experiment, scientists demonstrated that you can create and fertilize human eggs in the lab using sperm, genes from skin cells, and the "shells" of existing egg cells. When you ...

New research shows it's possible to reprogram skin cells into eggs that can be fertilized in the lab, though it's just a proof of concept for now. Reading time 3 minutes A team of scientists has ...