Gastric Bypass Surgery

Gastric bypass surgery also may cause 'dumping syndrome.' When that happens, food moves too quickly from the stomach to the small intestine. The su...

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Facts on Leptin: FAQ

'Leptin is the way your fat cells tell your brain that your energy thermostat is set right,' Lustig says. 'Leptin tells your brain that you have en...

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What is a Healthy Weight?

If you think you are obese or have questions about healthy weight, talk to your doctor. There’s a second way to get an idea of how close you are to...

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What is Obesity?

Obesity means having far too much body fat. If you're one of them, you can work to lose weight. For adults, experts usually define obesity based on...

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