A previous study confirmed that chronic use of cannabis may greatly impact male fertility and reproductive outcomes in nonhuman primates -- but it was unclear whether the effects are permanent. Now, ...

A Vermont elementary school says it will no longer use the words “male” or “female” when teaching fifth-grade students about puberty and human reproductive systems. Families of students at Founders ...

As men get older, changes in sexual health and fertility are often expected. For decades, the usual explanation has been a drop in testosterone or simply the aging process itself.

The coronavirus disease 2019 (COVID-19) outbreak caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was declared to be a global pandemic by the World Health Organization (WHO) on ...

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which was first discovered in patients with severe pneumonia at the end of 2019, has since infected over 272 million worldwide and ...

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 ...

This study of the functional morphology of the male reproductive system in astacidean crustaceans has allowed for comparisons of representatives of the superfamilies Parastacoidea, Enoplometopoidea, ...

In response to controversial abortion restrictions in some states, a Pennsylvania state House Democrat introduced a parody bill requiring men over 40 or who have had third child six weeks earlier to ...