Originally Posted by
chuckman
A very quick check (I just don't have a lot of time) didn't show me anything 'scientific.' Google just showed me a bunch of corroborating articles, but nothing that referred to a journal article that conclusively showed what we know. I can shoot some articles that show that men have a higher skeletal muscle mass than women, which you can interpret that to sustain that mass one must have a higher BMR.
One thing to be careful of is the whole BMI thing. Unless one gets body fat checked by the water-immersion thing or calipers, those insert-your-weight-here BMI graphs can be inaccurate or misleading. Men have more testosterone, which aids in building muscle mass. Women have more estrogen, which aids in a higher body fat composition. So, two BMIs can be close based on hight and weight, but the percentage of that weight based on muscle or fat could be different.
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