< Back to ED Guide DashboardLearning about EDLearn about the physiology of an erection, blood flow, and the causes and effects of ED. How an Erection Works (2:28) ED Defined (1:10) Types of ED Causes (8:35) Medical History and ED (6:56) Medications Linked to ED (3:52) Prostate Cancer (3:21) Hormone Imbalance (3:18) ED Prevalence and Severity (1:40) Nocturnal Erections (4:00) Aging (4:40)
