Therefore, age functions as a tumor risk factor. 2) EXPOSURE TO CARCINOGENS: – Carcinogens are substances that are directly involved in the promotion of cancers. They can be within; asbestos, car exhaust fumes, tobacco smoke cigarettes and radiation. As a result, people who are heavily exposed to these substances have an increased cancer risk. 3) POOR DIET: – Analysis suggests that specific foods can protect you against cancers. For example, fruits and vegetables include a number of effective anti-oxidants that may protect your cells from harm. Therefore, by eating an unhealthy diet that is without these nutrients you boost your risk of developing cancer. 4) SEDENTARY LIFESTYLE: – Study has shown that there is usually a solid link between exercise and cancers risk. The more exercise you do the less likely your probabilities of developing cancer appear to be although it is not really known exactly why.Experts at University of Alberta in Canada hypothesized that improved epithelial cell extrusion may bring about intestinal barrier dysfunction. Intestinal epithelial cells are constantly shed, leaving gaps in the epithelial level. In this prospective controlled cohort research of 17 IBS sufferers and 18 healthy handles, Dr. Julia Liu and co-workers measured epithelial gaps, or the spaces in the liner of the gut. The test can be positive in about two thirds of sufferers with IBS, and unfavorable in vast majority of the healthy controls .