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Extreme obesity cuts average life span extremely
Extreme obesity cuts average life span extremely

Those with a body mass index, or BMI, above 40 are robbed of at least 6 1/2 years, on average, of expected life span, a study has found. And the toll in years lost rises with the degree of obesity, reaching nearly 14 years for the most obese -- those with a BMI above 55, researchers said. The study found that the reduction in life expectancy associated with being extremely obese was similar to that seen in adults who smoke. And as a person's obesity rises to higher levels, his or her expected life span falls below that of smokers. The findings come from a project that aggregated the results of about 20 long-term studies on obesity conducted in the United States, Australia and Sweden....

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