I just used one of those scales for the first time that tells you your body fat percentage, how much muscle mass you have, what your metabolism is, and bone mass. how does it know all this from just your height and weight???
In: 8
I will tell you the smart scales have a VERY rigged system- usually using electrical current. They estimate a bmi off of height/weight, then use the current to measure resistance, and guess a BMI. The catch is, most of them have a range thats something like 15% to 32%, and have VERY hard limits on how low or high their calculation will go. I’m not entirely sure how accurate they are within that range.
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