eli5 how can a bathroom scale determine the body fat, water content and “dry” bone mass just from passing some electrical current?
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Some brands/scales are MUCH better than others. Some pass multiple signals through the body along with having both hands and feet sensors, etc.
I have one that is consistent both with its own reading over many days, and is also consistently close to DEXA results as well. As someone else noted the one I have is probably within ~ 2% of its own readings.
But it’s not one those $20 specials on Amazon.
I have also used one of those cheap ones before and it didn’t give consistent results even with multiple tests just seconds later, sometimes having wildly different results, it was completely useless. 🤦♂️
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