Researchers at Purdue University did two groups of studies on rats and found that those fed yogurt sweetened with saccharin, a zero-calorie sweetener, ate more and “gained significantly more weight” than those that ate the same food containing regular sugar. The researchers state that artificial sweeteners may change the body’s response to food and may distort the ability to control calorie consumption.
Research also shows that artificial sweeteners stimulate taste receptors that sense sweetness in both the esophagus and stomach. Anticipating energy, the pancreas releases insulin, an important hormone for accumulating body fat. At the same time, chemicals are sent to the brain’s satiety center, which becomes confused as to whether or not the body is actually receiving calories. The result? You feel even hungrier and less full, which can lead to weight gain.
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