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A comment on Effect of High-Dose Vitamin D on Volumetric Bone Density and Bone Strength. Parent comment

Re:Effect of High-Dose Vitamin D on Volumetric Bone Density ... by scottlocklin on Monday September 09, 2019 @08:00PM (#20923852)
The experiment itself may be useless control; most people get D vitamins from the sun. How do we know the cohorts got the same D from sun exposure?
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Re:Effect of High-Dose Vitamin D on Volumetric Bone Density ... by AstralStorm on Tuesday September 10, 2019 @01:36AM (#20925307)
Should use a blood tests for vitamin D status, probably calcium, phosphate and K too instead of relying on self reported diet.
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