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- What's the margin of error with these measurements?

- Do you have known seasonal weight or body composition fluctuations?

- It can be hard to gain muscle mass without also gaining fat. That's why body builders go through "bulking" and "cutting" phases.

- If you're in good shape and your blood biomarkers look fine, why would you care about body composition?

- For bone density: Find a planet with higher gravity, or do more exercises that involve jumping up and down 😜

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BodySpec claims a 0.5% accuracy, so if that's true then I'm doomed.

It's not so much that I care about body composition per se; I just wanted some quantitative proof that my exercise routine is working.

As for a planet with higher gravity, it appears my only options in the short run are Mars unless somebody convinces Elon to pick something different. :-)

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