“Our previous studies and observations, taken together, led us to hypothesize that dietary L. reuteri may act to prevent age- and obesity-related testicular atrophy in mice,” those researchers noted. ...

Testosterone therapy can significantly improve energy, libido, and overall quality of life for men with low testosterone levels, but concerns about testicular shrinkage often give patients pause.

Chronic use of marijuana may greatly impact male fertility and reproductive outcomes, says a new report published online in the journal Fertility & Sterility. The study is the first to assess the ...

Men who were overweight as boys may have infertility issues in adulthood, according to new research. Researchers studying the issue of male infertility, often a mystery, looked at health data from 268 ...