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.

What are Allergies?

Gold (Gold Sodium Thiosulfate) Allergy

Cow’s Milk Allergy Management

Am I Allergic to Ragweed?

Allergic Reaction to Skin Products

Fruit Allergies

What are Pet Allergies?

Causes of Allergies

What is the Microbial Diversity Hypothesis?

Seasonal Allergy

Cockroach Allergy

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Breastfeeding and Allergies

Balsam of Peru Allergy

What are Recombinant Allergens?

Long Term Effects of Taking Allergy Medications

Food Allergy and Intolerance Research

Treatment and Prevention of Allergies

Nickel Allergy

How to Prevent Mold Allergies

What is Lactose Intolerance?

Wheat Allergy

What is Peanut Allergy?

What is Anaphylaxis?

Treatment and Prevention of Allergies

Latex Allergy

Meat Allergy After a Tick Bite

What is Allergic Contact Dermatitis?

Epidemiology of Allergies

Type of Pollen Allergies

Sulfite Allergy

Allergy Patch Testing

Research on Allergies

How Does Milk Allergy Differ from Lactose Intolerance?

Allergies in Children

Allergies and the Hygiene Hypothesis

What is Milk Allergy?

Pediatric Allergies

What's Driving the Recent Rise in Food Allergies?

Gluten Intolerance / Allergy

Does Allergy Immunotherapy Work?

Common Allergens in the Workplace and How to Avoid Them

Oral Allergy Syndrome (OAS)

Allergies and Genetics

Wheat Allergy

Formaldehyde Allergy

Sesame Seed Allergy

Penicillin Allergy

Types of Eye Allergy

Garlic Allergy

Milk Allergy

Celery Allergy

Tartrazine Allergy

Cobalt Chloride Allergy

Meat Allergy

Lupin Allergy

Different Types of Allergies

Perfume Allergy

Diagnosis of Allergies

Can Food Allergies Be Genetic?

Autism Spectrum Disorder & Allergies

What is Dust Mite Allergy?

Soy Allergy

Tree Nut Allergy

Are DIY Allergy Tests Reliable?

Allergic Reactions to Pharmaceutical Drugs

Steps to Reduce Home Allergy

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

Types of Allergy Tests

Mustard Allergy

Chromium Allergy

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

Latest Allergies News and Research

Thrift store. Clinic. Roller rink. Center becomes ‘radical’ lifeline amid homelessness, drug crises.

From the outside, the abandoned Family Dollar store in the Lower 9th Ward looks intimidating. It's covered in graffiti, with aluminum cans and trash dotting the parking lot.

9 Jan 2026

Spleen-driven immune tolerance may protect transplanted organs

New research from the University of Minnesota Medical School offers a new view of how the immune system responds to organ transplants.

7 Jan 2026

Expanded HIV treatment dramatically reduced orphanhood rates in Uganda

The scale-up of HIV treatment and prevention programs has led to remarkable declines in orphanhood rates in Rakai, Uganda, according to a new study at Columbia University Mailman School of Public Health.

7 Jan 2026

Single-dose oral cholera vaccine shows promising results in early clinical trial

Clinical trial shows promising results for PanChol, a single-dose oral vaccine aimed at the up to 4 million annual cholera cases worldwide.

7 Jan 2026

Community asthma program increases care and awareness among families on the Navajo Nation

A multiyear community asthma program on the Navajo Nation increased asthma-related care and awareness among families, even as the COVID-19 pandemic dramatically disrupted health care and school systems.

7 Jan 2026

Study compares H1N1 and COVID-19 spread across metropolitan areas in the U.S.

Public health researchers at Columbia University Mailman School of Public Health used computer modeling to reconstruct how the 2009 H1N1 flu pandemic and the 2020 COVID-19 pandemic unfolded in the U.S.

5 Jan 2026

New method can help better assess precision genome editing technology

Scientists and physicians can better assess precision genome editing technology using a new method made public today by St. Jude Children's Research Hospital. Significant amounts of time and resources spent improving CRISPR gene editing technology focus on identifying small off-target sites that pose a safety risk, which is also technically challenging.

2 Jan 2026

Reduced peanut OIT dose offers safer, accessible treatment for children

Children with peanut allergies may not need large doses of peanut oral immunotherapy (OIT) to build protection to peanut, finds a new study led by The Hospital for Sick Children (SickKids) and Montreal Children's Hospital. Researchers found that a small dose can help children with their peanut allergy and reduce the risk of severe reactions from accidental exposures, with less side effects than the current standard treatment.

30 Dec 2025

Precision immunotherapy for TRBC2-positive T-cell malignancies

Researchers at the Johns Hopkins Kimmel Cancer Center's Ludwig Center developed a new treatment that selectively targets TRBC2-positive T-cell cancers, expanding a precision approach they established in 2024 for TRBC1-positive tumors.

22 Dec 2025

New tear gland organoids shed light on the biology of dry eye disease

An estimated 5-15% of people have problems with dry eyes, with symptoms including eye redness, stinging, or burning sensation, and eye fatigue. Dry eye disease (DED) occurs when the eyes' tear glands produce insufficient or poor-quality tears which can be due to allergy or autoimmune disease, hormonal changes, aging, etc.

18 Dec 2025

Early peanut introduction can prevent allergy but parents need clearer guidance

Feeding babies peanut-containing foods as early as possible can help prevent peanut allergy, but a new study published in JAMA Network Open found that parents need more support to get it right.

18 Dec 2025

Lung immune cells switch roles to drive allergic inflammation

Alveolar macrophages are immune cells that live in the tiny air sacs of the lungs. Under normal conditions, these cells act as guardians, keeping the lungs healthy, supporting breathing, and preventing unnecessary immune responses.

18 Dec 2025

Study reveals how lung macrophages amplify allergic inflammation in the lungs

18 Dec 2025

Chemotherapy may reduce HIV-infected T cells

Advancements in HIV/AIDS research, drug development and clinical practice since the 1980s have made it possible for people living with HIV to lead long, productive lives and keep the virus in check at undetectable levels and nontransmissible as long as therapy is maintained.

15 Dec 2025