Allergies

Plants are just trying to reproduce; immune systems are just trying to keep us safe

Longer growing seasons and increased pollen production driven by climate change could be aggravating your seasonal allergy symptoms

New research demonstrates that Xolair, an injectable asthma medication, can reduce severe reactions to peanuts, milk and eggs by dulling an overactive immune response

The allergy and asthma drug montelukast, also known as Singulair, can cause psychiatric side effects—and researchers aren’t sure why

Snotty, stuffy noses are the hallmark of cold and flu season, but some medications and at-home remedies may offer relief

New research offers insight into how rain and thunderstorms break up and spread respiratory irritants, such as pollen, fungal spores and pollutants

The bite of the lone star tick can cause an allergy to red meat, as well as to dairy and some medications

Comet 12P/Pons-Brooks, headed for its closest encounter with the sun next year, has started to heat up, leading to a cinematic outburst of icy volcanism

Developing an allergy to your dog or cat can be a nightmare, but hyposensitization could offer permanent relief

Work on genetically modified pigs might provide a solution to the strange illness

The consumer devices track pollutants as well as CO₂—a proxy for potentially virus-laden human breath

Three-decade study suggests oral bacteria influence the immune response