Harvard Heart Letter

Weight-loss devices: How they work

Stomach balloons and other devices may help people eat (or absorb) less food. But does the weight loss last? For the millions of Americans who have obesity, the burden of excess weight is much more than meets the eye. This chronic, debilitating condition leaves people prone to many serious illnesses, including heart disease. But for many, diet and exercise often prove frustratingly futile (see “What’s a healthy weight?”)…

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