Psychology & Psychiatry

Leptin puts the brakes on eating via novel neurocircuit

Since the discovery of leptin in the 1990s, researchers have wondered, how does leptin, a hormone made by body fat, suppress appetite? Despite tremendous gains in the intervening three decades, many questions still remain. ...

Medical research

Hunger-blocking hormone reverses opioid overdose in mice

In 2018, researchers at Johns Hopkins Medicine showed that delivering the hunger-suppressing hormone leptin into the nose could ease breathing problems in sleeping obese mice. In addition to its role in metabolism, leptin ...

Overweight & Obesity

MRI reveals brain damage in obese teens

Researchers using MRI have found signs of damage that may be related to inflammation in the brains of obese adolescents, according to a study being presented next week at the annual meeting of the Radiological Society of ...

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