According to a new survey, the majority of adult workers in the U.S. are battling at least one chronic health condition that may need to be managed on the job -- but most aren’t telling their employers.

A new study finds people with asthma and allergic rhinitis have different fungi in their noses than healthy people.

Women with asthma are more likely to experience a miscarriage and fertility issues, according to Danish researchers, but they also appear no less likely to give birth.

Researchers say kids exposed to antibiotics at a young age face an increased risk of asthma caused by changes in their gut microbiota.