According to the World Health Organization (WHO) figures indicate that obesity is a "global epidemic". There are more than 300 million obese people worldwide. Obesity occurs when individual intakes more energy through food consumption than the body is able to expend adequately without regular exercise. Since World War II, the level of obese persons has increased dramatically and while genetics play a role in obesity to certain extent, there are several controllable factors which contribute to …showed first 75 words of 845 total…

…showed last 75 words of 845 total…do a lot of physical activity therefore they are unable to burn the calories that they intake on a daily basis. While there may be many other reasons for obesity, the main ones are undisciplined eating practices and changes in the household which are caused by a changing society. Once these problems are addressed, we may return to the pre World War II era where the main cause of obesity was genetic and not indiscipline.