This is a very funny and informative video on Vitamin D, with images that will stick with you.  (I especially liked his publication strategy to get new patients.)

• Infant chimps, which we have already seen need similar Vitamin D to humans can take 5000 iu per day.
• Collagen without sufficient Vitamin D is like putting Jello in water- it gets softer and can’t support the bones.
• Iguana owners have a better idea of Vitamin D needs than most doctors. (And the pictures of Vitamin D deficient iguanas will stick with you.)
• Vitamin D is responsible for regulating the blood pressure hormone rennin, and for combating elevated levels of C-reactive protein in your body.
• Malignant melanoma usually appears in areas without exposure to sun, and working out of doors lowers your malignant melanoma rate.
• Squamous cell skin cancer is the only cancer that occurs more in sunbathers, the ones that will kill you are lower.
• Vitamin D toxicity occurred in a Florida lawyer who was taking 1 million iu of Vitamin D for two years due to a manufacturing accident.  When they gave him a diuretic and kept him out of the sun for a month, it reversed.
• While tanning bed enthusiasts get more cancer, they also have higher bone density.

Lots more and hard information:

See Related Posts:

Vitamin D Regulates the Immune System

Nursing Mothers, Infants and Vitamin D

How to Get Vitamin D from the Sun

Vitamin D Prevents Cancer, Type 1 Diabetes, MS, Heart Attack and Pain