Dr. Donald L. Willis M.D.

Recommended Articles

• What Causes Bladder Cancer?

  What Causes Bladder Cancer?Bladder cancer a common type of cancer that usually begins in the cells lining your bladder, which is also referred to as the transitional epithelium. Just as the other types of cancer, bladder cancer develops into a life-threatening condition. However, 50% of its cases...

• 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...

• 5 Tips on Living with Erectile Dysfunction

  5 Tips on Living with Erectile DysfunctionErectile dysfunction is a condition that not only causes physical problems but psychological ones too. It leads to strain in relationships and even break-ups in marriages. Both sexual partners are emotionally affected.There are means which you can use to...

• Porn-Induced Erectile Dysfunction Is Psychological

  It has become a popular myth that watching too much of pornography can cause an erectile dysfunction in men. Many men, who are addicted to porn, are reported to have a porn-induced erectile dysfunction. There are many doctors and reports that explain that this disease is rather psychological in...

• Bisphenol A May Lower the Quantity and Quality of Sperm

  A new study has shown that higher levels of bisphenol A (BPA) in urine may lower sperm count and motility in men, affecting their ability to father a child. The results of the study are published in the journal Fertility and Sterility and this is first of its kind to link the levels of BPA to sperm...

• What Do Urologists Treat?

  What is a urologist?A urologist is a doctor who specializes in urinary tract disorders, including disorders of the external genital organs. Urologists also treat both males and females, contrary to popular belief that they only treat males. They treat any disorders that affect the kidneys, bladder,...