Non-alcoholic fatty liver disease (NAFLD) is a common condition associated with obesity and heart disease long thought to undermine health and longevity. But a new study by Johns Hopkins researchers suggests the condition does not affect survival. A report on the study was published online last week in BMJ, the British medical journal. "Physicians have considered fatty liver disease a really worrisome risk factor for cardiovascular disease," says study leader Mariana Lazo, M.D., Ph.D...

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