Vitamin D for asthma

Vitamin D supplements are put to the test in childhood asthma.

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This is part of an extended series of videos on Vitamin D. Check out:
• Will You Live Longer if You Take Vitamin D Supplements? (http://nutritionfacts.org/video/will-...)
• Do Vitamin D Supplements Help with Diabetes, Weight Loss, and Blood Pressure (http://nutritionfacts.org/video/do-vi...)
• How Much Vitamin D Should You Take? (http://nutritionfacts.org/video/how-m...)
• The Optimal Dose of Vitamin D Based on Natural Levels (http://nutritionfacts.org/video/the-o...)
• The Best Way to Get Vitamin D: Sun, Supplements, or Salons? (http://nutritionfacts.org/video/the-b...)
• The Risks and Benefits of Sensible Sun Exposure (http://nutritionfacts.org/video/the-r...)