Allergies

The term allergy encompasses a wide range of conditions; it is not a disease in itself. The term allergy – medically termed hypersensitivity, signifies an exaggerated reaction to foreign substances.

Old Friends Hypothesis

The "old friends" hypothesis was proposed by Graham Rook in 2003 as an alternative to or refinement of the hygiene hypothesis, originally brought forward by Strachan in 1989 as an explanation for the rise in allergic disease.

Am I Allergic to Ragweed?

Cow’s Milk Allergy Management

Causes of Allergies

Cobalt Chloride Allergy

Penicillin Allergy

Garlic Allergy

Common Allergens in the Workplace and How to Avoid Them

Balsam of Peru Allergy

Steps to Reduce Home Allergy

Types of Eye Allergy

Are DIY Allergy Tests Reliable?

See more featured articles »

What is Lactose Intolerance?

Sulfite Allergy

Tree Nut Allergy

Long Term Effects of Taking Allergy Medications

Research on Allergies

Allergies in Children

Lupin Allergy

Nickel Allergy

Pediatric Allergies

Cockroach Allergy

How to Prevent Mold Allergies

Mustard Allergy

Tartrazine Allergy

Seasonal Allergy

What are Recombinant Allergens?

Chromium Allergy

Milk Allergy

Epidemiology of Allergies

Does Allergy Immunotherapy Work?

Latex Allergy

Oral Allergy Syndrome (OAS)

Fruit Allergies

Type of Pollen Allergies

Allergic Reaction to Skin Products

Types of Allergy Tests

What is Food Protein-Induced Enterocolitis Syndrome (FPIES)?

Diagnosis of Allergies

What are Pet Allergies?

Allergies and the Hygiene Hypothesis

What is Anaphylaxis?

What is Dust Mite Allergy?

What is Milk Allergy?

What's Driving the Recent Rise in Food Allergies?

Gold (Gold Sodium Thiosulfate) Allergy

What is the Microbial Diversity Hypothesis?

Allergy Patch Testing

Autism Spectrum Disorder & Allergies

Sesame Seed Allergy

Treatment and Prevention of Allergies

Wheat Allergy

What is Peanut Allergy?

Meat Allergy After a Tick Bite

Allergic Reactions to Pharmaceutical Drugs

Soy Allergy

Breastfeeding and Allergies

What are Allergies?

Celery Allergy

Meat Allergy

Formaldehyde Allergy

How Does Milk Allergy Differ from Lactose Intolerance?

Treatment and Prevention of Allergies

Can you Treat a Food Allergy by Altering the Gut Microbiome?

Perfume Allergy

Food Allergy and Intolerance Research

Gluten Intolerance / Allergy

Allergies and Genetics

What is Allergic Contact Dermatitis?

Wheat Allergy

Different Types of Allergies

Can Food Allergies Be Genetic?

Latest Allergies News and Research

E-visits resolve common health issues with low follow-up rates

Researchers compare the efficacy of e-visits in clinical settings where other types of visits are available.

4 Dec 2025

New rapid test distinguishes real HIV infections from vaccine-related false positives

Since the human immunodeficiency virus (HIV) was identified in 1983, roughly 91.4 million people around the world have contracted the virus and an additional 44.1 million have died from related causes.

3 Dec 2025

Insect flour could boost gut health and cut environmental impact

Chitin-rich insect flours show promise as functional foods, boosting beneficial gut bacteria while addressing allergenicity and consumer trust issues.

3 Dec 2025

Shingles vaccine may benefit individuals already diagnosed with dementia, new study finds

An unusual public health policy in Wales may have produced the strongest evidence yet that a vaccine can reduce the risk of dementia.

2 Dec 2025

Researchers receive NPB grant to develop online food allergy support tool

A team led by Aston University's Professor Rebecca Knibb in the School of Psychology has been awarded a grant by the US National Peanut Board (NPB) to develop an online food allergy support tool.

1 Dec 2025

Early-infancy infection with RSV increases the risk of developing childhood asthma

Belgian scientists from VIB and Ghent University (UGent), together with Danish collaborators, have uncovered compelling evidence that early-infancy infection with respiratory syncytial virus (RSV) significantly increases the risk of developing childhood asthma-especially in children with a family history of allergy or asthma.

29 Nov 2025

Monthly biologic injection improves severe asthma control and reduces steroid use

A monthly injection has helped 90% of severe asthma patients reduce daily steroid tablets, which are associated with long-term side effects.

26 Nov 2025

Gut nervous system controls intestinal barrier and allergy risk

An international research team led by scientists from Bern and Charité - Universitätsmedizin Berlin has identified a previously unknown function of the intestinal nervous system.

25 Nov 2025

Study introduces cost-effective approach to analyze entire T-cell repertoire

Studying T cells, the immune cells most responsible for responding to infections and cancers, just received a significant boost in the form of a new technique from St. Jude Children's Research Hospital.

24 Nov 2025

Kennedy sharpens vaccine attacks, without scientific backing

As the federal government prepares for the next meeting of its Advisory Committee on Immunization Practices, Health and Human Services Secretary Robert F. Kennedy Jr. has intensified his attacks on aluminum vaccine components used in many shots to boost the body's immune response.

24 Nov 2025

Promising long-term vaccine for Crimean-Congo hemorrhagic fever developed

Crimean-Congo hemorrhagic fever (CCHF) is one of the world's most dangerous yet overlooked infectious diseases.

22 Nov 2025

Comprehensive antibody map reveals how SARS-CoV-2 mutations evade immunity

Researchers at the Icahn School of Medicine at Mount Sinai and collaborators have created the most comprehensive map to date showing how antibodies attach to the SARS-CoV-2 virus, which causes COVID-19, and how viral mutations weaken that attachment.

21 Nov 2025

Study clarifies why most colic isn’t caused by cow’s milk allergy

Cow’s milk allergy rarely causes infant colic on its own, and most excessively crying infants do not have underlying allergy. A short elimination–and–rechallenge trial may help confirm CMA only when colic coexists with other allergic features.

19 Nov 2025

New clinical trial shows promise for shorter TB treatment

New clinical trial results presented by TB Alliance at the Union World Conference on Lung Health show that the novel antibiotic candidate sorfequiline (TBAJ-876), a next-generation diarylquinoline, has the potential to improve tuberculosis (TB) treatment when combined with pretomanid and linezolid in a treatment regimen known as "SPaL."

19 Nov 2025

New AI investment aims to accelerate the search for an effective HIV vaccine

As of 2024, over 40 million people in the world are diagnosed with human immunodeficiency virus (HIV)-a chronic, life-threatening infection that remains one of the leading global causes of death.

18 Nov 2025

Gut microbes may fuel allergic rhinitis symptoms

The study identifies gut microbiome alterations in allergic rhinitis, suggesting a gut-nose axis that could inform new treatment approaches for this condition.

17 Nov 2025

Cesarean births do not raise infant allergy risk in major Japanese cohort study

In a large Japanese birth cohort, cesarean delivery was not linked to higher risks of eczema, wheezing, atopic dermatitis, or asthma in infants at one year of age. Emergency cesarean delivery was even associated with a modest reduction in eczema, suggesting that mode of birth alone may not drive early-life allergic disease.

13 Nov 2025