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The need to find fuel to generate energy is a profound drive within the biology of all living organisms: we all need food to survive. So it’s not surprising that our bodies have such a complex system to control food intake, driven by hormones.
Hormone levels also change when we lose weight. As much as we battle to trim down via diets and eating patterns, they’re also the reason most of us will regain the weight we lose – or more.
The body’s system for regulating food intake is coordinated by the hypothalamus, which is located under the midline of the brain, behind the eyes:
