Cause and effect essay
Factors behind cancer
In hundreds of made studies, it is verified the fact that immunological system lets effect in the cancerous cells every time a deficiency of fundamental nutriments or by the occurrence in the affected person of cancerigenic elements. This kind of elements are known as mutgen, that can be physical agents, substance or neurological. Between the physical agents they are the ionizing rayonnement produced by x-rays, gas radon, cosmic rays, ultraviolet rayonnement of the Sunshine and some nutrient fibers such as the asbestos. Between the chemical mutagens they are: the benzopiren present in the hefty smoke of the cigarette and tar, nitritos, nitrosamins, metals as the lead, cadmium or mercury, hormones injected to the cattle, aflatoxins yet others more. Involving the biological types they are certain bacteria and virus such as the Virus with the Human Papilloma, the Epstein-Barr, the one of Hepatitis N and the Helicobacter pylori. Between more important factors of risk they are: -- the cigarettes consumption or maybe the exhibition towards the smoke of himself, that is direct associate or indirectly yet type of cancers and other serious conditions. - this diet that almost certainly is the element of essential risk, considering that the high excess fat diets and fiber losses, is linked to the cancer of prostate, bowel, rectum and others. - the excessive drinking, that is affiliated directly together with the liver tumor, mouth, esophagus, stomach, bowel, rectum, lung and pulls. - the obesity.
- the sedentarism.
- Inside the women the age of the first menstruation is actually a risk factor, since when more boy or girl the present, higher is the risk. - the use of oral contraceptives or perhaps therapy hormone available. - genetic and hereditary Predisposition. Ethos is the central well-known causes that generate the cancerigenic cells in the human body.