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DIGESTIVE SYSTEM OF THE OBESE VS. NON-OBESE

Obesity results from increased energy intake and decreased energy expenditure. The digestive (aka gastrointestinal or GI) system has a key role in the pathogenesis of obesity. Changes in digestive system hormones, digestive tract structure and motility and the inhibition of mechanisms that restrict calorie intake result in weight gain. However, It is not clear if digestive system changes cause or are affected by obesity (Acosta 2014).