Cardiology

US reaches settlement with 457 hospitals over cardiac device

The Justice Department said Friday that it had reached settlements totaling more than $250 million with hundreds of hospitals where doctors implanted cardiac devices in violation of Medicare coverage requirements.

Medical research

Weight loss surgery's effects on bone marrow fat and bone mass

Bone marrow fat is thought to regulate bone metabolism, and high levels of marrow fat are seen in states of low bone mass, severe underweight, and diabetes. In a study of obese women undergoing gastric bypass surgery, increases ...

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