Forum on health symptoms and treatments - vitamin D
A large forum (Link has been misplaced) which deals with Health Issues
These are all opinions - but interesting
The following are vitamin D related charts as of Oct 2011

Above chart: Symptoms which people treat with vitamin D

Above chart: Ways that people get vitamin D - in order of popularity

Above chart: The forms of vitamin D which gave the most improvement

Above chart: Their opinion as to why they had a vitamin D deficiency

Above chart: Cause of Osteoprosis - Vitamin D is fairly low
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Above chart: SAD treatment - vitamin D and sunlight

Above chart: MS treatment - vitamin D

Above chart: Chronic Fatigue Syndrome - vitamin D is fairly low
