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A DEXA (or DXA) scan uses very low-dose x-rays to measure bone density and, on many machines, fat mass and lean mass in different parts of the body.
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DEXA stands for dual-energy x-ray absorptiometry.
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DEXA is how researchers measured muscle and fat loss on GLP-1 medicines, so it anchors the lean-mass discussion.
A DEXA (or DXA) scan uses very low-dose x-rays to measure bone density and, on many machines, fat mass and lean mass in different parts of the body.
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