Researchers found marijuana's active ingredient may disrupt egg cells and embryos, adds to research that marijuana use can ...

Journal of the New York Entomological Society, Vol. 88, No. 2 (Jun., 1980), pp. 133-142 (10 pages) This is the first study of the anatomy of the male reproductive systems of the adults and pupae of ...

Share on Pinterest A large population-based study shows decreased sperm concentration and total sperm count with increased mobile phone use. Westend61/Getty Images Health experts have searched for ...

Testosterone is a sex hormone. Though it's primarily associated with the male reproductive system, individuals assigned ...

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 ...