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 this health concern which is caused by human indiscipline and a changing society.
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