David Knowles, M.D., Health Professional

David R. Knowles, M.D., is a urologist who wrote about sexual dysfunction issues for HealthCentral. He graduated from the College of Physicians and Surgeons of Columbia University. His residency training at New York Presbyterian Hospital included training at the New York Center for Human Sexuality. He is board certified in adult and pediatric urology by the American Board of Urology. His is a general adult and pediatric urologist at Advanced Urologic Surgeons in Mount Vernon, Illinois.

Erectile Dysfunction and Your Partner

I would like to discuss the importance of partners and the relationships in Erectile Dysfunction (ED) and how they play an important role in the treatment of ED. Today many relationships suffer greatly due to the loss of physical relations due to ED. ...
David Knowles, M.D.

Meet Dr. David Knowles

Dr. Knowles is a urologist who has joined our community. He will be writing about sexual dysfunction issues and answering your questions. David R. Knowles, M.D., grew up and went to high school in Nebraska and then graduated from Columbia College of ...
David Knowles, M.D.

I've read several articles that mentioned Viagra causing Anorg...

I’ve read several articles that mentioned Viagra causing Anorgasmia is some people. Do you know of anybody that had the same or similar problem with Cialis? I seem to have greater difficulty ejaculating when I’ve take Cialis than when I don’t take it...
David Knowles, M.D.

Ask the Expert

Every month, Dr. Knowles answers your questions about erectile dysfunction. Email Dr. Knowles at feedback@erectiledysfunctionconnection.com with your question. This week I would like to answer some interesting questions that have been asked by our vi...
David Knowles, M.D.