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Toggle Health Problems and D

Redhead – Red hair - vitamin D

Red hair "might" allow more production of vitamin D from the same amount of sunlight
The portion of the UK with the least amount of sunlight, Ireland and Scotland, is also the portion of the UK which has the least amount of sunlight. Wikipedia

One person in 2010 made the observation that there are a higher percentage of diabetics with red hair than the general population.
This is understandable since diabetes is associated with low levels of vitamin D and people with red hair tend to stay away from the sun, and thus have low levels of vitamin D

Probably taking vitamin D will permit a redhead to not burn in the sun

Google Search ("red-hair" OR redhead) "vitamin d" ("burn less" OR "not burn") 15,000 hits Jan 2015
There has been several anecdotes about this. Seems as though if a red head cannot make melanin to protect the skin from burning that adding vitamin D should not help reducing burning. Wonder if the vitamin D in the skin, rather than the melanin prevents burning.

Freckles

What Causes Freckles? At EzineArticles
Clips
“The underlying freckles cause is a cluster of concentrated melanin”
Melanin helps to protect against damage caused by overexposure to the sun”
“Others are referred to as senile freckles, age spots, liver spots, sun spots or lentigines. They do not fade in the winter. But, the underlying freckles cause is still the production of melanin clumps.”

Many diseases appear to be associated with redhair – examples (based on Google searches):

MS

Google search ("red-hair" OR redhead) "vitamin d" "Multiple Sclerosis" got 104,000 hits Dec 2016
1 example   Another example

Autism

Google search ("red-hair" OR redhead) "vitamin d" autism got 503,000 hits Dec 2016
1 example

Cancer

Google search ("red-hair" OR redhead) "vitamin d" cancer got 333,000 results Dec 2016

Lupus

Google search ("red-hair" OR redhead) "vitamin d" lupus got 137,000 results Dec 2016

Rickets

Google Search ("red-hair" OR redhead) "vitamin d" rickets got 192,000 results Dec 2016

Tuberculosis

Google Search ("red-hair" OR redhead) "vitamin d" tuberculosis got 459,000 results Dec 2016

RA

Google Search ("red-hair" OR redhead) "vitamin d" (RA or Arthritis) 103,000 results Dec 2016

Allergy

Google Search ("red-hair" OR redhead) "vitamin d" allergy 125,000 results Dec 2016
Example

See also VitaminDWiki

Possible Vitamin D Interactions