I was "scanned" in January and found to have a reading of -1.8. I think the baseline used is for a 35 y.o. woman. Anyway, I've been on supplements, milk, etc. and have to have periodic scans. I think the doc said if it went less than -2.0 that medications would be in order.
In contrast to my -1.8, my 54 y.o. wife was -1.3. Go figure.
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“Train hard until your legs are tanned, then keep going until the shape arrives.” -Jolanda Neff