A REVIEW OF SEMEN RETENTION 30 DAY BENEFITS

an erection that will not disappear (priapism). When you have an erection that lasts in excess of four hrs, get medical help without delay. If It's not at all handled at once, priapism can completely hurt your penis. sudden vision reduction in one or each eyes. Unexpected eyesight loss in a single or both eyes could be a indication of a serious eye