Dr. Mark Ira Leibowitz M.D.

What is syphilis?Syphilis is a very dangerous disease if not diagnosed early and treated with proper medication. Worse, it may even lead to death. Syphilis is caused by the bacterium Treponema pallidum and has four stages in its pathogenesis. It is one of those diseases which does not have typical...

Blood in urine can be sourced to cancerous growths, infections in the urinary and genital system, or kidney stones among other diseases. The level of medical care and specialist intervention is determined by the symptoms that you show. Although it is a sign and not a disease, it should not be...

Valtrex is the name of the drug that contains valacyclovir. It is prescribed for many infections caused by the herpes virus, which includes cold sores, genital herpes, and shingles. Herpes virus can appear on any part of the body, but most often, it shows in the genitals and mouth. There are two...

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...

At What Age Does Erectile Dysfunction Normally Occur?Erectile dysfunction affects men across all age brackets. It is possible for men both young and old to suffer from it. However the risks associated with ED increase as you get older. This is because as you grow older, the probability of...

Male reproductive systemMost of the components of this system are located outside the male body. The testis, penis, scrotum, and epididymis are some of the structures. For sexual intercourse the male organ responsible is the penis. From the urethra the semen is released through the penis. The...