But compared to the other type of diseases like brain tumor, cancer and several others, Irritable Bowel Syndrome is not as life threatening as it is talked about, but the discomfort that it makes will interrupt the life of people, though in a small manner. Irritable Bowel Syndrome is one of the usual conditions that impact a great number of people of US. As most of the doctors state the same old saying that the disease is not curable, people feel that this is a fatal illness. It is sure that the IBS lets the patient down and make them feel that they may die from such incurable illness, but its not on-key. 2)Common among people: Nowadays about 20-30% people do get affected due to IBS(Irritable Bowel Syndrome). These tests include examining samples of stools, blood and X-ray. In usual manner doctor will take sigmoidoscopy also called colonoscopy. This includes tucking in a tube which can bend easily with a camera attached to in the anus. The pictures will be registered onto the monitor, which will aid in getting a close up watch of the colon. These symptoms are quite grounded and are supposed to be a functional disorder. Functional disorder is a condition by which the symptoms does not have any problem connected physically, but will be induced by components that do not function properly which may arise due to stress as well as other reaction towards food products. 2) Calcium - Calcium creates either a constipating or a laxative effect in a person suffering from irritable bowel syndrome, on the basis of the type. Those suffering from the syndrome should find out which type would suit them. a) Calcium carbonate - As calcium carbonate includes no magnesium, it relieves the symptoms of diarrhea. Results of Smoking and Irritable Bowel Syndrome (IBS) Irritable Bowel Syndrome is also well known as mucus colitis, functional bowel disease, spastic colon etc. The main symptoms that are attached to this syndrome are constipation, bloating, painful cramping and flatulent feeling. Though it is termed as colitis and related to colon, it can never be interpreted as inflammatory disease of gut.