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These include genetics (suggested by studies of twins), overeating, stopping smoking, alcohol consumption, lack of exercise, a change in life-style, more energy intake than energy expenditure (taking into account resting metabolic expenditure), environmental factors, salt/potassium retention, hidden food allergies, major depression/anxiety/other psychological, medical illness, medications, during and after pregnancy, cultural (perceptions on obesity), and socioeconomic factors. Everybody has a weight that their body can defend and most people know what that weight is. That weight is called the "set point". In other words, there are no people who are totally resistant to weight loss. A person's set point is the approximate weight and fat percentage that their body settles into during adulthood. An individual's set point is genetically determined.
Complications The relationship of weight to blood pressure. Being overweight is a significant risk factor for the development of hypertension. Age, gender, and race are also part of the equation and so should be considered when studying preventive interventions. |
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