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.

Soy Allergy

Pediatric Allergies

Mustard Allergy

What's Driving the Recent Rise in Food Allergies?

Fruit Allergies

Perfume Allergy

Am I Allergic to Ragweed?

Cockroach Allergy

Allergies and the Hygiene Hypothesis

Epidemiology of Allergies

Tartrazine Allergy

See more featured articles »

Long Term Effects of Taking Allergy Medications

Sulfite Allergy

Types of Allergy Tests

Cobalt Chloride Allergy

Treatment and Prevention of Allergies

How Does Milk Allergy Differ from Lactose Intolerance?

Diagnosis of Allergies

Food Allergy and Intolerance Research

Does Allergy Immunotherapy Work?

Celery Allergy

Can Food Allergies Be Genetic?

Meat Allergy After a Tick Bite

Lupin Allergy

What is Dust Mite Allergy?

Formaldehyde Allergy

Meat Allergy

Type of Pollen Allergies

Treatment and Prevention of Allergies

Gluten Intolerance / Allergy

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

What is Allergic Contact Dermatitis?

What is Lactose Intolerance?

What is Milk Allergy?

Cow’s Milk Allergy Management

Seasonal Allergy

Garlic Allergy

What are Recombinant Allergens?

What is the Microbial Diversity Hypothesis?

How to Prevent Mold Allergies

Different Types of Allergies

Chromium Allergy

Allergy Patch Testing

Autism Spectrum Disorder & Allergies

Allergic Reaction to Skin Products

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

Wheat Allergy

Types of Eye Allergy

Tree Nut Allergy

Oral Allergy Syndrome (OAS)

Nickel Allergy

Causes of Allergies

What is Anaphylaxis?

Steps to Reduce Home Allergy

Balsam of Peru Allergy

Are DIY Allergy Tests Reliable?

Research on Allergies

What are Allergies?

Breastfeeding and Allergies

Wheat Allergy

Allergic Reactions to Pharmaceutical Drugs

What are Pet Allergies?

Allergies in Children

Gold (Gold Sodium Thiosulfate) Allergy

Penicillin Allergy

What is Peanut Allergy?

Latex Allergy

Allergies and Genetics

Common Allergens in the Workplace and How to Avoid Them

Milk Allergy

Sesame Seed Allergy

Latest Allergies News and Research

New project uses advanced PET imaging to investigate long COVID mechanisms

Using total-body PET imaging to get a better understanding of long COVID disease is the goal of a new project at the University of California, Davis, in collaboration with UC San Francisco.

29 Aug 2025

New experimental system replicates tuberculosis transmission with unprecedented precision

Tuberculosis has been a scourge upon humanity throughout history. In killing more than a million each year worldwide, it remains the leading cause of death from a single infectious pathogen.

28 Aug 2025

New NIH-funded project aims to turn rare HIV cures into broadly applicable immunotherapy

Nearly 20 years ago, a man named Timothy Ray Brown who was living with HIV and cancer, underwent two courses of stem cell transplantation to treat his acute myeloid leukemia.

28 Aug 2025

Single gene discovery reveals key sex difference in immune response

A new study has uncovered a key difference between the immune system of males and females - and it comes down to a single gene.

28 Aug 2025

Gut mast cells produce key molecules driving food allergy anaphylaxis

Food allergies affect more than half a billion people worldwide. In severe cases, even a small bite of the wrong food can trigger anaphylaxis - a rapid, body-wide allergic reaction that can cause difficulty breathing, a dangerous drop in blood pressure and even death.

28 Aug 2025

Certain dietary fats found to trigger hard-to-treat asthma in children

Researchers at Children's Hospital of Philadelphia (CHOP) found that certain lipids, or fats, in obesity-causing foods also cause asthma-like lung inflammation.

27 Aug 2025

New class of insecticide offers yearlong protection against mosquito-borne diseases

A relatively new class of insecticide that can be disseminated on something the size of a sheet of paper offers protection for up to a year against mosquitoes that spread malaria, as well as dengue, West Nile, yellow fever, and Zika, UC San Francisco researchers have found.

26 Aug 2025

Can AI help you eat healthier?

Researchers developed and validated an AI-based nutrition recommendation system (AINR) that generates weekly Mediterranean meal plans tailored to individual needs and dietary restrictions. Tested on 4,000 simulated users, the system achieved high accuracy in calorie and nutrient targets but struggled with profiles involving milk and nut allergies.

21 Aug 2025

New study expands the list of foods causing anaphylaxis

The European Regulation list on mandatory labelling of foods includes 14 allergenic foods. Research published in Clinical & Experimental Allergy has identified eight additional foods frequently involved in food-induced anaphylaxis.

21 Aug 2025

Why zinc may be the missing nutrient in childhood asthma care

The role of zinc in childhood asthma is critical; deficiency may worsen symptoms, while supplementation could provide a safe, effective treatment alternative.

19 Aug 2025

New update to the 2023 AGS Beers Criteria highlights safer pharmacologic options for older adults

The American Geriatrics Society (AGS) has released a landmark update to its list of alternatives to medications listed in the 2023 AGS Beers Criteria - the most widely adopted guidelines to help clinicians identify potentially inappropriate medications for older adults.

18 Aug 2025

Weill Cornell Medicine leads $14.9 million effort to develop personalized HIV cures

A multi-institutional team led by Weill Cornell Medicine has received a five-year, $14.9 million grant from the National Institute of Allergy and Infectious Diseases, part of the National Institutes of Health, to find ways to remove latent HIV from the cells of individuals with HIV.

17 Aug 2025

Cervicovaginal microbiome features predict severe chlamydia infection

A new study has identified markers that may predict whether a chlamydia infection is likely to ascend into the uterus and endometrium.

14 Aug 2025

COVID-19 increases risk of asthma and sinusitis while vaccination offers protection

People who have had COVID-19 are at increased risk of developing certain inflammatory diseases of the airways, such as asthma, hay fever and chronic sinusitis.

14 Aug 2025

Rare immune mutation unlocks universal antiviral protection

For a few dozen people in the world, the downside of living with a rare immune condition comes with a surprising superpower-the ability to fight off all viruses.

14 Aug 2025

Researchers find CFI deficiency alarmingly high in old order Amish

Researchers from Children's Hospital of Philadelphia (CHOP) and the Clinic for Special Children found that complement factor I (CFI) deficiency, an ultra-rare genetic disorder that can cause debilitating neuroinflammation, is more than 4500 times more likely to be found in individuals of Old Order Amish ancestry than the rest of the global population.

13 Aug 2025