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Old 10-01-2008, 08:46 AM   #128
Craig Loizides
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Join Date: Mar 2008
Location: Hillsborough, NJ
Posts: 120
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I found these 3 studies relating BMI, body fat, and fat free mass to mortality.

http://www.nature.com/oby/journal/v1...y2004131a.html
http://www.nature.com/ijo/journal/v2.../0801082a.html
http://www.nature.com/ijo/journal/v2.../0801925a.html

They show that BMI vs mortality is a U-shaped curve. Mortality increases with increasing body fat and decreases increasing fat-free mass.

Two of the studies showed mortality decreases continuously with increasing fat free mass. One showed a reverse J-curve where mortality decreased to a point and then started to increase or level off. There's probably a point where you have too much fat-free mass but it's not something most people have to ever worry about.
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