External Factors by Which Cancer is Being Caused

2670 WordsJul 12, 201811 Pages
Cancer seems to be tightening its grip in India & worldwide. Recently, an estimated new cancer cases were recorded to be 14.1 million & cancer deaths were of 8.2 million in the world, of which nearly 7,00,000 were recorded in India alone, according to “The International Agency for Research on Cancer (IARC), the specialized cancer agency of the World Health Organization, Lyon. Cancer is a complex group of diseases which makes cells in the body to change and grow out of control. These changes starts from a single cell. Changes can be of permanent alterations to the DNA called mutations. Humans do have a host of defensive mechanism which provides resistance towards damaged cells or mutated cells to reproduce. During life time, thousands of…show more content…
Other factors include improper diet intake, lack of exercise to the body, smoking, alcohol consumption, these factors are of under human control. The risk factors for breast cancer which are not under control include gender, being a woman is the most significant risk factor for breast cancer as the women breast cells keep on showing its growth & alteration because of the cells getting exposed to hormones such as estrogen & progesterone & other factors include family history of breast cancer, pregnancy and breast feeding etc. Symptoms of breast cancer include formation of lumps, swelling, and changes in skin of breast can be seen. Many breast cancers do not show obvious symptoms. So cancer can be treated with surgery, radiation, hormone therapy, immune therapy, targeted therapy and chemotherapy. Although diagnosis is better now, but the difficulty in treating cancer is seen due to metastases. Surgical resection is the treatment of choice, as this treatment is usually curative. Surgery is not a remedial alternative in many patients because of the tumor size, location of the tumor and due to metastases. Another therapeutic measure of cancer is external beam radiotherapy. Nevertheless, treatment by this therapy is not suitable for all the tumors because of the dislocation of
Open Document