http://www.drsafir.com/DrSafir_Cause_of_Erectile_Dysfunction.aspx As for urinary incontinence, it is a problem that affects older men, usually stemming from an enlarged prostate or urethral stricture. These two problems are different but sometimes lead to the same problems such as urgency to urinate, leakage of urine, waking up several times during the night to urinate, weak or interrupted urine stream, among others. http://www.drsafir.com/DrSafir_Cause_of_Urinary_Incontinence.aspx