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UV Prevention Measures May Influence Rheumatoid Arthritis Incidence

February 12, 2013

Increased ultraviolet (UV)-B exposure reduces the risk for rheumatoid arthritis (RA) in women, US researchers suggest, but the drive to protect against skin cancer in recent years may have negated this benefit.

The investigators identified a change in the relationship between UV-B exposure and RA from the 1976 Nurses' Health Study (NHS) of 106,368 women aged 30-55 years to the 1989 NHSII of 115,561 women aged 25-42 years.

Specifically, NHS results showed that women in the highest tertile for exposure over long-term follow-up (>117 Robertson-Berger units×10-4 [RB], median 164 RB) had a 21% lower risk for RA than women in the lowest tertile for exposure (=109 RB, median 104 RB), after adjusting for confounding factors including age, race, smoking, parity, menopause, and income. The risk was 16% lower for women in the middle tertile (median 113 RB).

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Click here to read the full article.

Source: News-Medical.net


UV Prevention Measures May Influence Rheumatoid Arthritis Incidence

February 12, 2013

Increased ultraviolet (UV)-B exposure reduces the risk for rheumatoid arthritis (RA) in women, US researchers suggest, but the drive to protect against skin cancer in recent years may have negated this benefit.

The investigators identified a change in the relationship between UV-B exposure and RA from the 1976 Nurses' Health Study (NHS) of 106,368 women aged 30-55 years to the 1989 NHSII of 115,561 women aged 25-42 years.

Specifically, NHS results showed that women in the highest tertile for exposure over long-term follow-up (>117 Robertson-Berger units×10-4 [RB], median 164 RB) had a 21% lower risk for RA than women in the lowest tertile for exposure (=109 RB, median 104 RB), after adjusting for confounding factors including age, race, smoking, parity, menopause, and income. The risk was 16% lower for women in the middle tertile (median 113 RB).

***

Click here to read the full article.

Source: News-Medical.net



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