In the extensive catalogue of cruelty that humans have inflicted on others, castration surely occupies a special place, not least because permanent sterilization is the outcome. As in all other male ...

Why can some animals, like elephants, reach 70 years while having few offspring, while others, like mice, live only a few ...

A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

An expert explains the necessity of managing patients’ testosterone levels while treating prostate cancer. When treating patients with prostate cancer, controlling testosterone levels in the body is ...