What is Cancer ?

What is Cancer ?
Cancer is a serious disease with a high mortality rate and is a disease of cells. Oncology (cancer) is a group of diseases related to cell division in a disorganized and those cells capable of invading other tissues by growing directly into nearby tissues or move to remote locations (metastasize) through the lymphatic system or bloodstream. Metastasis is the primary cause of death by cancer. There are more than 200 types of cancer.Cancer called melanoma. Cancer is not a disease. This disease is a group of more than 100 different diseases. Cancer does not spread.Cancer occurs when cells divide uncontrollably. These abnormal cells can fish from entering the surrounding tissue, or move to the remote location by entering the bloodstream or lymphatic system.Oncology (cancer) is the Latin word for crab only. The ancients used this word to express the malignant certainly no doubt because the cancer coming off the branches like crab legs firmly rooted in that it invades tissues.The human body to function normally, each agency must have a certain number of cells. However, cells in most organs have a short lifespan, and to continue to operate the body needs to replace the lost cells by the process of cell division.Cell division is controlled by genes in the cell nucleus. They can function as a guide tells cells how to make proteins, it will divide and how long it will live. The genetic code can be damaged by a number of factors that lead to errors occurring in the guidelines. These errors can significantly alter how cells operate. Instead of resting cells can continue to divide, instead of dead cells may still live.A number of mechanisms are in place to prevent genetic errors occur and to remove abnormal cells from the body genetics. However, in some people these precautions are not enough and the number of abnormal cells that have escaped the control of the body begin to grow. These cancer cells and destroy gathered normal tissues.Cancer cells need nutrients to survive and grow. Many cancers can stimulate the growth of blood vessels to give them nutrition they need.Cancer is one of the causes of death worldwide and accounted for 7.6 million (13%) of all deaths in 2008. The most common types of cancer worldwide are :In Men (in order of number of global deaths):- Lung cancer- Liver Cancer- Stomach cancer- Colorectal Cancer- Stomach cancer- Prostate cancerIn Women (in order of number of global deaths):- Breast Cancer- Lung cancer- Colorectal Cancer- Cervical Cancer- Stomach cancer- Liver Cancer
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