Gone for good? According to Chou Yi-ho, dean of the department of urology at Kaohsiung Medical University, the capacity of men for penile erection peaks at age 20 and declines very gradually from then on, but the situation differs a lot depending on the individual.
高雄醫學大學泌尿科學主任周以和指出，男性的勃起能力，在二十歲時就達到頂點，此後逐漸減退。