What Causes Erectile Dysfunction And Premature Ejaculation?

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dear doctor
i am a 25 year old man. think i ve erectile dysfunction, because i can achive erection while masturbating and i ejaculate semen in a minuit or less, i m also loosing hair. i m in middle stage of loosing hair. do any way my baldness and my male problem linked what i ve to do to come out of both the problem