Dr. Robert J Challenger M.D.

Recommended Articles

• Detrusor Muscles and Urination

  It is mostly the detrusor muscle that forms the wall of the bladder, it contracts during urination and relaxes to hold the urine. The muscle is continuous at the inferior end with the internal urethral sphincter. Urination results when the detrusor muscle contracts and the urethral sphincter muscle...

• Urine Culture and Sensitivity Test: What Is It?

  Urine Culture and Sensitivity TestA urine culture is a laboratory test that can identify specific types of germs that cause urinary tract infections. A urinary tract infection occurs when bacteria enter the urinary system through the urethra. Bacteria can rapidly grow and multiply, and cause an...

• Alternative Treatments for Erectile Dysfunction

  What is erectile dysfunction? Erectile dysfunction (ED) is a common disorder affecting men of all ages, although it is more common in men above the age of 50. It affects the ability to have an erection and maintain it for a satisfying sexual experience. To understand the nature of alternative...

• Risk Factors for Testicular Cancer

  Testicular cancer happens when germ cells within the male testicles start reproducing in an uncontrolled manner, resulting in a mass of tissue called a tumor. Germ cells are cells that eventually grow into sperm cells, and germ cell tumors account for more than 98 percent of all cancers affecting...

• Do I Need My Testicles Removed If I Have Testicular Cancer?

  Testicular cancer, affecting the testosterone and sperm-producing sex glands, the testicles, distresses not more than 1 percent of all men who are diagnosed with different types of cancer. But cancer of the testes is increasingly common between the ages of 15 to 34, particularly in the white...

• What Specialists Treat Testicular Cancer?

  The type of cancer that affected the male sex organs, particularly the male gonads called the testes, was regarded as an incurable condition back in the 70s. Since then, advanced diagnostic tools, exceptional treatment methods, and refined therapies have elevated testicular cancer to the status of a...