Overweight begins at a BMI measurement of 25, obese at 30 and morbidly obese at 40.

超重的BMI值是25，肥胖的BMI值是30，病态肥胖的是40。

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Nineteen people in this group were missing the same set of genes, and all were morbidly obese.

这一组中的19个缺失了同样的一组基因，他们全部都是病态肥胖者。

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Among the morbidly obese, 39percent thought of themselves as overweight, not obese, the survey found.

调查发现，39%的病态肥胖的人认为自己只是超重而不是肥胖。

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Overall 6.3% of US women - that is one in 16 - are morbidly obese.

BBC: Obesity epidemic tops 1.7bn

And 1.4% of men and 3.5% of women were so overweight that they were morbidly obese.

BBC: Obesity

At the other end of the spectrum are heroic approaches such as bariatric surgery, particularly for the morbidly obese.

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