Sunshine may 'reduce arthritis risk'

Does sunshine prevent rheumatoid arthritis?
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Living in a sunnier climate may reduce the risk of developing rheumatoid arthritis, according to US researchers.

Their study of more than 200,000 women, published in the journal Annals of the Rheumatic Diseases, suggested a link between sunlight and the risk of developing the disease.

They speculated that vitamin D, which is produced in sunlight, may protect the body.