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Which comes first?
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07-28-2014, 11:12 AM
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Don Smith
Join Date: Feb 25 2000
Location: Tucson, AZ
Posts: 1,643
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Which comes first?
Is this a —
which comes first, the chicken or the egg
— conundrum?
Must you be “healthy” to have a “healthy” vitamin D level
?
Or must you have a “healthy” vitamin D level in order to be “healthy”
?
Don Smith
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