Have you seen blood in your urine? Are you waking up in the middle of the night to visit the porcelain throne? Does it take a while for your urine stream to get going? Does it stop and start?

No, this isn't a bad infomercial. (Is there any other kind?)

These are urinary issues that should send you to a urologist, a doctor who specializes in the treatment of urinary system disorders.

Most urinary problems experienced by men, particularly in their 50s and older, are related to the enlargement of the prostate, a walnut-sized gland located between the bladder and the penis. Age-related prostate gland enlargement is called benign prostatic hyperplasia (BPH).

The urethra, the tube that conveys urine out of the body, runs through the center of the prostate. Picture a straw going through an orange. As the orange gets bigger, it can push in on the straw and make it narrower. That's the picture Josip Vukina, M.D., paints for his patients.

"As men get older, it's