Vigorous and regular exercise can help reduce the symptoms of psoriasis, according to new research.

[quote]The new study, published in the May edition of the US medical journal the Archives of Dermatology, found that at least 20 hours of metabolism-raising exercise per week, which is the equivalent of 105 minutes of running or aerobics or 180 minutes of vigorous swimming or playing tennis was associated with a 25-30% reduced risk of psoriasis.[/quote]

Walking, gentle jogging or normal cycling was not associated with a reduced risk of psoriasis, according to study results.

The study looked at 86,665 women who did not have psoriasis in 1991 and who completed physical activity questionnaires in 1991, 1997 and 2001. Researchers documented 1,026 incident cases of psoriasis as they examined the association between physical exercise and the skin condition.

The most physically active women had the lowest risk of getting psoriasis when compared with the least active.

Psoriasis is an immunologic disorder characterized by systemic inflammation and scaling of the skin. Physical exercise has been associated with a decreased risk of a rage of health conditions characterized by systemic inflammation.