Men assess potential rivals that have a larger penis as more of a threat, both physically and sexually, according to a study by Upama Aich at the University of Western Australia and colleagues, ...

A recent study found microplastics in every human testicle examined, raising significant concerns about the impact on the male reproductive system. People magazine reported that the study, published ...

The male genital system consists of both external and internal parts. The external male genitalia include the penis, urethra, and scrotum. The internal male genitalia include the seminal vesicle, ...

In a review article published in the journal Molecular Aspects of Medicine, authors have analyzed current evidence on the impact of obesity on the male reproduction system. They have thoroughly ...

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 ...