Effect of obesity on several types of cancer

Abstract

Currently, both trends of obesity and awareness of the possible adverse effects of obesity are rising in our population. According to the World Health Organization, about one third of the world s population is suffering from obesity-related health problems. Cancer, a severe progressive disease that is becoming more and more common, is among them. However, the association between obesity and cancer is not informed very well by the public. In this paper, the first part will briefly introduce present situations of obesity and common complications of obesity. The following two parts will explain the mechanisms of cancer formation and discuss the relationship between obesity and cancer in an understandable way.