Viagra is a household name. Now there are other drugs for erectile dysfunction. How well do Levitra and Cialis work? What other options are available? Testosterone replacement therapy is becoming increasingly popular. Is it safe for men? What about women? Guests: Irwin Goldstein, MD, Director, Institute for Sexual Medicine;Director, Center for Sexual Medicine; Professor of Urology and Gynecology at Boston University School of Medicine Culley C. Carson, MD, Rhodes Distinguished Professor and Chief of Urology at University of North Carolina, Chapel Hill School of Medicine; President, Sexual Medicine Society of North America