Of course, for a dramatist looking for a subject, Best is like an all-you-can-eat buffet placed in front of a very fat person.

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Weight bias has been documented among doctors, nurses, fitness instructors and other professionals on whom a fat person might need to rely for help.

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Whether slim or fat, a person leading a sedentary lifestyle has similar chances of dying young to a smoker.

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Conversely, BMI may underestimate body fat in a very small-framed person, someone who has very little muscle mass, or a person who carries his or her excess weight mainly around the midsection and has very thin arms and legs (the so called apple shaped body type).

CNN: Can BMI be adjusted for muscular builds?

For those late-night shoppers hoping these devices would be the miracle ride to lean and mean, Hirsh has this dose of reality: " If you take diet out of the picture, to lose one pound of fat, the average (160-pound person) would need one to nine months" (of working out regularly) on almost all of the devices they tested.

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In a very large-framed or muscular person like you, BMI may overestimate body fat.

CNN: Can BMI be adjusted for muscular builds?

Dr Blumberg believes the compound interferes with the body's normal fat-formation process, and puts its fat-storage mechanism on overdrive, plumping up the person.

ECONOMIST: Obesity

The autopsy conducted after his death found "extensive contusions of his chest, arms, shoulder and back, " as well as "evidence of crushing of areas of subcutaneous fat" -- which is the fatty tissue directly under a person's skin.

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Dr. Xu's team showed that the virtual patient, using more sophisticated modeling such as how fat is distributed in the body, can provide more accurate calculations of how much additional radiation an overweight person requires.

WSJ: Scientists Find Safer Ways to Test Medical Procedures