early
For most cancers early detection is important. Only rarely, such as lung cancer, early detection is ineffective so far. Early detection is the primary task of every human being and not merely of the doctor. If left untreated, the malignant tumor grows until the organ or body destroyed is. Since the risk varies with cancer for a population and among other things dependent on emerging environmental toxins or by the elimination of such toxins by environmental protection laws, as well as the dietary habits and the willingness to protect it from direct sunlight, but also by the sexual behavior (prevalence of a population potentially cancer-causing viruses), shall, for each generation and each country are determined always to get the individual cancer risk.
The sooner a cancer is diagnosed, the better the prognosis. It could be more cancer cure diseases, if detected early. But not every early offers nothing but benefits (See also screening). You trade one risk against a bunch of other risks such as false-positive findings.
For men, regular examinations of the doctor for blood in the stool and the scanning of the prostate are important for women, a cervical smear (Systematic Screening for cervical cancer) and mammography screening (over 50 years), said in absolute terms, low benefit of mammography should be discussed with your doctor.
also using genetic engineering studies it is possible to detect certain cancers at an early stage. This procedure is rarely applied in practice. Many
Cancers are detected by patients themselves due to changes. A doctor visit is recommended for:
* unusual swelling, wounds do not heal that, changing the shape, size or color of skin time, or abnormal bleeding
* chronic cough, persistent hoarseness, a change in bowel or urination, or an unexplained weight loss
* changes in the regular scanning of the breasts to determine.
Each of these self-examinations is associated with a very large risk of error. Nodules in the breast may well be harmless, and also can lay malignant Grope breast tumors only after they have been 1 ml volume - and have likely already metastasized.
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