WHAT YOU NEED TO KNOW: An umbilical hernia is a bulge through the abdominal muscles in the area of the navel (belly button). The hernia may contain tissue from the abdomen, part of an organ (such as the intestine), or fluid. Umbilical hernias usually happen because of a hole or a weak area in the muscles of the abdominal wall. This can happen at any age. Umbilical hernias happen more often in women than in men. You may be more likely to have a hernia if other family members have them.
In this article. The cause of the inflammatory bowel diseases (IBD), ulcerative colitis, and Crohn's disease, is not known. Studies suggest they are caused by a combination of things, including genes, environmental factors, and problems with the immune system.
Irritable Bowel Syndrome. Irritable bowel syndrome, commonly known as IBS, causes the muscles of the large intestine to contract continuously which results in severe cramping and boughts of diarrhea or constipation. The conditions can cause excessive amounts of gas and often prove embarrassing for the sufferer. It is estimated that up to 20 percent of people suffer from IBS, according to the National Digestive Diseases Information Clearinghouse. Sufferers often experience more extreme bouts during times of stress or unrest.