Study: People with gum disease 54% more likely to develop psoriasis

Psoriasis

NEW YORK (Reuters Health) - People with chronic gum disease seem to be slightly more likely to develop the skin condition psoriasis, according to a new study.

Taiwanese researchers found that in a group of more than 230,000 people, those with gum disease were 54 percent more likely to get psoriasis over five years.

The study is among the first to investigate the link between the two conditions and doesn't necessarily mean gum disease can cause psoriasis.

"We don't know very much about what the risk factors are for chronic inflammatory diseases like psoriasis," said Dr. Joel Gelfand, a dermatologist at the University of Pennsylvania in Philadelphia, who was not involved in the new research.

"This study points in a potentially new direction for a potential risk factor that - in theory - could be modified and thus lower the risk of psoriasis in the future," he told Reuters Health. "That being said, this finding needs to be confirmed by more-rigorous, more-controlled studies to determine if the findings are real."

Psoriasis is thought to be caused by a mistaken immune reaction directed at the body's own cells, leading to inflamed patches of red, scaly skin.

It's not the first time the condition has been linked to other health problems. Earlier this year, a study of people evaluated for heart disease found 84 percent of patients with psoriasis had coronary artery disease, compared to 75 percent of patients without the skin condition. (See Reuters Health article from January 10, 2012.)

Oral health has also been tied to other conditions, with two studies from this year finding links to heart disease and dementia. (See Reuters Health articles from April 19 and 21, 2012.)

But until now only one other study had looked at the link between psoriasis and chronic periodontitis, the advanced stage of the gum disease gingivitis.

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Study: People with gum disease 54% more likely to develop psoriasis