the form of sugar that circulates in the blood and provides the major source of energy for body tissues. when its level is low, we feel hunger
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set point
the point at which your “weight thermostat” may be set. when your body falls below this weight, increased hunger and a lowered metabolic rate may combine to restore lost weight
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basal metabolic rate
the body’s testing rate of energy output
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obesity
defined as a body mass index (BMI) measurement of 30 or higher. overweight individuals have a BMI of 25 or higher