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Vitamin D prevents colds

And you can get enough from twenty minutes sunshine.

Only thing to put a spanner in the theory is the fact that the country where people are most affected by colds is Saudi Arabia, which hardly suffers from a deficiency of sunlight!
Permalink Send private email Stephen Jones 
April 13th, 2007 8:23pm
Point out to the bearded wonders that you do have to take some clothes off (and it helps not to smoke).
Permalink trollop 
April 13th, 2007 8:31pm
Do they spend most time inside with air conditioning or something? Or maybe the dust aggravates things. And when outside, people cover up rather than go with shorts and shirtless, could that be contributing?
Permalink Practical Economist 
April 13th, 2007 8:38pm
Being spread through ACs would be a possible explanation if it weren't for the fact that they are just as prevalent in the three or four months when the ACs are off.

You tend to avoid the sun but you certainly get more than your twenty minutes a day of English sunshine the article talks about. Or at least men do.

I presume the explanation is simply that there are more cold viruses going around.
Permalink Send private email Stephen Jones 
April 13th, 2007 8:43pm
Or it could be the kissing.
Permalink Colm 
April 13th, 2007 9:02pm
The sun does actually have to hit the skin before vitamin D can get made. Traditional Arab dress is designed to completely avoid the sun hitting the skin: http://www.traderscity.com/abcg/pic1.htm

Plus, when I was in Abu Dhabi the locals thought the whole concept of going outside in the sun was insane; when I opted to do so they grouped me together with mad dogs and Englishmen (of which I am one, so they weren't far wrong).
Permalink Send private email bon vivant 
April 13th, 2007 9:42pm
... the article talks about.....

link?
Permalink linkbo 
April 13th, 2007 9:57pm
Men will get sun on the face and hands which is enough to counter vitamin D deficiency.

http://news.independent.co.uk/uk/health_medical/article2447662.ece
Permalink Send private email Stephen Jones 
April 14th, 2007 7:19am
I wonder how they separate out the increased closeness and exposure during winter from vitamin D deficiency? Not to mention the decreased immune system response from SAD.
Permalink son of parnas 
April 14th, 2007 10:43am
But, but, isn't Vitamin D fattening?
Permalink FX 
April 17th, 2007 3:16am

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