What problems are associated with an imbalance of the intake energy giving food and the individuals energy expenditure?

... What problems are associated with an imbalance of the intake energy giving food and the individuals energy expenditure? One of the problems associated with having an imbalance in an individual diet compared to his/her energy expenditure is Obesity. "Obesity is a medical condition characterised by storage of excess body fat" (Encarta encyclopaedia). Although a human being needs a certain amount of body fat for things such as energy, insulation and protection of internal organs fat in excess can cause such health problems such as diabetes mellitus, coronary heart disease and hypertension. Obesity is measured through comparing the individual's height and comparing in relation to their body weight and is calculated by dividing the body weight by height squared (kg/m2 ). This process is called the body mass index (BMI) and determines a desirable body weight, people with a BMI of 25.0 and 29.9 are considered overweight, those with a BMI of

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