Discusions on vitamins, health and medicine homework help

Please answer the following questions:

Describe two differences between fat-soluble and water-soluble vitamins.
What are the main roles of vitamin A in the body? What is an early sign of vitamin A deficiency?
What is vitamin E’s primary function? What are the best sources of vitamin E?
Please make a chart of the nine water-soluble vitamins and list two or three main functions for each and also include the disease and/or characteristic symptoms of the deficiencies.
Please watch the following video:

 https://www.youtube.com/watch?v=6D9aANoN0-Y
Answer the following after watching the video and  looking at the e-resources on Vitamin D.
1. Why scientists consider vitamin D a hormone?
2. What are some conditions vitamin D is useful for?
3. What’s the best way to determine Vitamin D levels?
4. Please describe at least two other facts you learned about vitamin D.

Please include references
       
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