「 celes_dr 」一覧

Introduction Testosterone plays a crucial role in men's health and sexual function. Adequate levels of testosterone con...

Introduction Circumcision, or the surgical removal of the foreskin from the male genitalia, has been practiced for vari...

Contraceptives are used to prevent unwanted pregnancies and to protect against sexually transmitted diseases (STDs). In ...

Premature ejaculation is a sexual dysfunction experienced by many men, characterized by ejaculat...