Some researchers suggest that regular ejaculation is mandatory to preserve sexual health. With nofap challange we prohibit ourselves from ejaculating for a long period of time. Are we sure that this obstaining doesn't have some side effects? What if epididymal cyst, spermatocele or even varicocele might be connected with obstaining? Is no fap safe for people who already have those physical conditions? Guys I think we need more medical proof that no O for long time is safe.