For adults older than mortality is lowest among individuals who are moderately overweight (bmi 23.5-27.5)

For adults older than 65, mortality is lowest among individuals who are moderately overweight. When one is overweight it means that the individual is having more fat than is optimally healthy. This is especially common where food supplies are plentiful and lifestyles are sedentary. The Basal metabolic index for such individuals is ranges between 25 and 29.5. Being overweight increases the risk of having diseases such as diabetes, high blood pressure among other lifestyle diseases. 

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