Ulcer bug may prevent asthma

Ulcer bug may prevent asthma

By Brian Vastag, 15:57 PM April 15, 2008

From San Diego, at a meeting of the Infectious Diseases Society of America

Call it a bad-bug, good-bug story. Children whose stomachs carry the bacterium Helicobacter pylori are at lower risk for asthma than children who don't have the bug, according to an analysis of a nationwide study.

Starting in the 1980s, H. pylori gained notoriety as the cause of most stomach ulcers. The bug also increases the risk for stomach cancer.

Increasing antibiotic use has cleared H. pylori from more than 90 perce...

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