Heath: Stay healthy, eat right, lose weight and exercise. Don't do alcohol/tobacco. Avoid anabolics, supplements, etc. Exercise will increase blood flow to all parts of your body. An erection will increase blood flow to the penis, but only for a short time. Remember the viagra (sildenafil) ad: contact your doctor for an erection that lasts more than 4 hours.
Answered 9/2/2017
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