Apparently, te tumors in their original sites are responsible for only ten per cent of cancer fatalities. Te metastatic disease can be prevented when mechanisms are adopted to stop the cancer cells from sticking to body tissues. Tis can stop the growth tumors in the secondary states (Bozzone, 2007). Cncer results from the uncontrollable growth cells that are not fatal. Odinary cells follow the normal path of growth, dvision, ad death. Te demise of cells in a planned way is called apoptosis. Te breaks down of this program the formation of cancer.
I is clear that cancer cells do not undergo programmed deaths as other regular cells. Tey instead keep up with growth and continue to grow. Tis culminates in the formation of a network of abnormal cells whose growth is out of control. Hwever, mst of the causes of cancer come from external interventions. Te main causes of cancer are related with the environmental risk factors like radiations. Wen one exposes himself to radiations of high levels such as x-rays and therapies, te normal body cells Tis increases the dangers of acquiring leukemia, beast cancer, tyroid cancer, ad stomach cancer.
Bsides, te ultraviolet radiation that originates from the sun culminates in skin cancer that damages the melanoma. Te harmful rays from the sun can cause early aging and skin damages (Bozzone, 2007). Te other causes of cancer are viruses, cemicals, tbacco, acohol, ad poor diet. Vruses such as human papillomaviruses (HPV), Estein Barr virus, hpatitis B and C are responsible for causing infectious mononucleosis that increases the risks of acquiring cancer. Aditionally, dseases that the body system of the body such as AIDS make the body vulnerable to cancers.
Aditionally, cemicals such as asbestos, rdon, nckel, uanium, psticides, ad the benzene also enhance the risks of acquiring cancer. Sme chemicals contain carcinogens that either act alone or upon combination with other carcinogens found in cigarette smoke to increase the chances of acquiring cancers and other diseases of the lung (Master, 2003). Soking cigarette and regularly exposing oneself to tobacco increases the risk of lung cancer. Oe who smokes cigarette regularly increases their of developing types of multiple cancers.
Tese cancers might attack larynx, pncreas, kdney, eophagus, lrynx, badder, ad.. .
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