Dr. John W Roark MD

An anal fissure is a linear tear in the skin of the distal anal canal below the dentate line. Millions of people suffer from painful bowel movements due to anal fissures.This condition is commonly experienced by young people, but it can also be found in grown men and women. The most common symptom...

Appendicitis is the inflammation of the appendix, a disease that is mostly known as the rupture of the appendix. The human appendix is considered to be a vestigial structure. Vestigial means lacking meaningful work, or the evolving of a part of the body to take on a new shape, or an organ that has...

There are several misunderstandings about the relationship between mental health and inflammatory bowel diseases, such as Crohn’s disease and ulcerative colitis. For instance, individuals who know very little about the diseases believe that emotions, such as tension and nervousness, can actually...

Have you ever experienced an episode of diverticulitis? It's certainly an unpleasant experience. It does not matter whether you are one of those that has not experienced it or one of those that has had a bad case of diverticulitis; you definitely don’t want to experience it anytime soon. Luckily...

Cholera is a very dangerous disease, which is caused by the bacterium called Vibrio cholerae. Someone infected with cholera experiences painless and watery diarrhea. Due to continuous diarrhea, one is likely to develop dehydration which can result in death. Many people who get cholera happen to...

There are a few problems that can affect the digestive tract and cause problems, and they are generally referred to as irritable bowel diseases (IBD). The most common IBDs are Crohn’s disease and ulcerative colitis. IBD is different from IBS – Irritable Bowel Syndrome, which does not cause...