Erectile dysfunction, or ED, is the most common sexual difficulty affecting men in the US. Learn the latest science on ED from Johns Hopkins male sexual health expert Dr. Arthur Burnett, II as he gives an overview of erectile dysfunction symptoms, causes, diagnosis and treatment. To learn more about the services we offer, and conditions we treat, visit https://www.hopkinsmedicine.org/brady-urology-institute/index.html or call 443-995-6100 to request an appointment.