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Allergy and immunology news

Vitamin D may help control lung inflammation during flu infection, study in mice suggests

Vitamin D may help the body fight influenza by controlling inflammation and the amount of virus in the lungs, according to a study in mice led by researchers at Penn State.

Q&A: Rethinking immunity beyond 'strong' and 'weak'

Melinda Fagan, professor in the Department of Philosophy at the University of Utah, where she holds the Sterling M. McMurrin Chair, proposed in a recent paper a new approach to understanding immunity for both experts and ...

Scientists identify protein driving age-related organ damage

Monash University researchers have identified a protein that drives age-related damage in vital organs, opening a potential new avenue for treatments that could help people stay healthier as they get older. Published in Immunity, ...

Cancer vaccines show promise for treatment and prevention

For more than three decades, Johns Hopkins Sidney Kimmel Comprehensive Cancer Center researchers have pursued an ambitious idea: that vaccines could train the immune system to recognize and fight cancer. Now, a landmark phase ...

When a food-triggered reaction isn't a food allergy

It can be scary to have a reaction to something you've eaten and believe the symptoms indicate a food allergy. But for some, the cause of symptoms may be a different condition that can go unnoticed for years. Two new studies ...

Study finds link between eczema and sleep problems in kids

A new study presented at the 2026 Annual Scientific Meeting of the American College of Allergy, Asthma and Immunology (ACAAI) adds evidence that atopic dermatitis (also known as eczema) in children is associated with sleep ...

How gut antibodies protect against colon cancer

Antibodies that coat the lining of your gut may be playing an important role in preventing colon cancer from developing, Rockefeller University scientists have discovered.

Why eczema increases the risk of asthma in patients

People with eczema often develop allergic asthma during the course of their lives. The reason for this is still largely unclear. Two publications from Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) now turn the spotlight ...

Why obesity affects males and females differently

University of California, Riverside, scientists have an explanation for why males and females respond differently to obesity. They report in PNAS Nexus that certain immune cell populations in fat tissue may protect against ...

Researchers discover immune 'off switch' used by cancer cells

Mayo Clinic researchers have identified a protein that cancer cells use to shut down the body's immune response, a discovery that could help scientists develop new treatments that make cancer immunotherapies more effective.

A high-sugar diet may worsen asthma, even in the short term

Sugar consumption has been linked to an increased risk of cavities and weight gain. In the long term, it may also contribute to insulin resistance and diabetes. For people living with asthma, however, the impact can be even ...

Leaky gut might make food allergies worse

A "leaky gut" might increase the severity of food allergies, according to new research conducted in mice and published in The Journal of Immunology. The researchers found that changes to the gut microbiome in mice were linked ...

Long COVID and immune 'soldier' cells: Q&A

Extreme fatigue, a racing pulse, shortness of breath, brain fog, aching joints—the symptoms of long COVID can vary widely, change unpredictably and be difficult to recognize as signs of the condition. Long COVID also remains ...