Researchers tested vitamin D levels in 1,200 people people and found 730 of them had below-normal levels
The rest is here:
Vitamin D study suggests that pale people need supplements
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Researchers tested vitamin D levels in 1,200 people people and found 730 of them had below-normal levels
The rest is here:
Vitamin D study suggests that pale people need supplements
Tagged with: 200-people news tested-vitamin