2008-07-16 Among Vitamins, D Seems Short for ‘Does a Lot’
This is the VOA Special English Health Report. Vitamin D helps bones and muscles grow strong and healthy. Low levels of vitamin D can lead to problems such as rickets,…
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This is the VOA Special English Health Report. Vitamin D helps bones and muscles grow strong and healthy. Low levels of vitamin D can lead to problems such as rickets,…