Should all obese people lose weight?

Doctors have known for years that fat doesn't affect all people the same way. The challenge is determining who's "healthy obese."

Source: http://www.cnn.com/2011/HEALTH/08/12/obese.healthy.weightloss/index.html?eref=rss_health&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed:+rss/cnn_health+(RSS:+Health)

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