Introduction: Erectile dysfunction (ED), also known as impotence, is a common condition that affects a significant number of men worldwide. It is characterized by the inability to achieve or maintain an erection sufficient for satisfactory sexual performance. While ED can be a source of emotional distress and strain on relationships, it is essential to understand that it is a treatable condition. This article provides a comprehensive overview of erectile dysfunction, including its causes, diagnosis, and available treatment options. I. Causes of Erectile Dysfunction: Physical Factors: a. Cardiovascular Disease: Conditions such as atherosclerosis, high blood pressure, and diabetes can impair blood flow to the penis, leading to ED. b. Hormonal Imbalance: Low levels of testosterone, the primary male sex hormone, can contribute to erectile problems. c. Neurological Disorders: Conditions like multiple sclerosis, Parkinson's disease, and stroke can dis...