Obesity is a major public health concern and has been described by the World Health Organisation (WHO) as a global epidemic. Currently it is the leading cause of premature death worldwide and is associated with numerous chronic health conditions. Obesity is defined as an abnormal accumulation of body fat, usually 20 percent or more over an individual’s ideal body weight(Caballero, 2007). This occurs when a person takes in more energy from food and drink than what they burn off from physical exercise.
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