Dr. Ray H. Littleton M.D.

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...

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...

Herpes is caused by the herpes simplex virus (HSV). This virus causes both genital herpes and oral herpes (cold sores). However, the strain varies, with the herpes simplex virus type 1 (HSV1) causing cold sores while the herpes simplex type 2 (HSV2) causes genital herpes. HSV1 is mostly transmitted...

Don’t be worried if the doctor suggests you undergo a colonoscopy. Although you might think of it as an awful procedure, it is not. Chances are you won't remember it, since you probably won't be awake. A colonoscopy is a test used by the doctor to examine the inside of the large intestines for...

What we have to understand about Hematuria (blood discoloring urine) is that we are observing a symptom and not the disease itself. The appearance of blood in urine is the end result of a diseased state brought on by bacterial or viral infection, tissue inflammation or cancer. Even genetic triggers...

In cystoscopy, a slender, flexible or rigid tube (cystoscope) with a lighted camera at its tip is positioned inside the urinary bladder. The device is lubricated and gently slid inside the bladder through the urethral opening in the penis under anesthesia. The procedure enables the urologist to...