Symptoms And Treatment Of Cancer - 1343 Words

Cancer is a condition in which cells of the human body are damaged and are beyond repair by our body. These damaged cells grow and divide abnormally and cannot be controlled by the normal human body process. These abnormal cells that divide abnormally are cancer cells. These cancer cells can grow together known as a tumor and replace healthy cells in a tissue or organ. Cancer cells interfere with the normal functioning of the host on which it grows and spread to surrounding organs and tissues affecting them. They can also spread into the blood and lymph tissue being able to affect other organs. These cancer cells can be a reason of various factors. It can also be inherited from the mother or father during birth. Every individual has two†¦show more content†¦Various studies have been done to identify potential factors that are linked to different cancers. A major part of cancer incidence is because of factors to which people are exposed in their lives. Factors such as smoking, dietary patterns, obesity are known to be the major risk factors for cancer. These patterns change with time because of various reasons such as increase in awareness to curb smoking or change in peoples lifestyle which leads to change in diet. A gradual decline in smoking prevalence has been seen in developed countries while increasing in developing countries. In the West including the US almost 20% of adult men smoke cigarettes while it is 60% in countries like China , Greece, Indonesia and Jordan. Further, there is a visible change in the diet of people in developing countries which is mainly due to an increase in consumption of saturated fat and calorie rich food. Cancer of the colon, breast and lung which were rare and most prevalent in countries of the west are now seen to be frequently diagnosed in economically transitioning and under developed countries. This number has been on the rise. Looking at the trend in these cancers getting diagnosed in the past,it is projected that will be a 60% increase in cancer diagnosis in developing countries by the year 2030. Epidemiology There were 14.9 million incident cancer cases worldwide and 8.2 million