According to the National Review of Medicine, researchers at New York University have discovered more evidence in support of the hygiene hypothesis. The hygiene hypothesis posits that modern societies have experienced an increase in asthma and allergies because of decreased exposure to microbes due to sanitation.
Researchers found that the stomach bacterium Helicobacter pylori, or H pylori (often blamed for peptic ulcers, gastritis, and duodenitis) is actually protective against asthma and allergy.
‘We went into this study with two assumptions,’ says Dr Martin Blaser, chairman of the NYU Department of Medicine, who has studied H pylori for two decades. ‘First, that H pylori would be protective against asthma, especially the cagA variant