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As much as I consider BMI to be generally useless, since weight is a numerator, that's a huge range. For a 5' tall person, that's 102-128 pounds. For someone 6'4" tall, that's 164-205 pounds.

A target window of 26-41 pounds doesn't seem terribly unreasonable, so long as one doesn't blindly assume that merely being within the range is healthy.

I'd certainly prefer a body fat target, if it's supported by the research. (Perhaps a BFI? I'm certainly curious as to which denominator is the most representative of biological function, if not health).



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