What are hypersensitivity reactions, ... Although hypersensitivity reactions are allergic reactions, some people may experience a non-immune anaphylactic reaction to certain drugs or foods.

Medically reviewed by Jurairat J. Molina, MD Caffeine is a substance that raises alertness and boosts energy. Most adults can safely consume up to 400 milligrams of caffeine daily, equivalent to about ...

Itchy genitalia, a burning sensation, and feeling breathless are all considered normal after sex, but for some, they could be ...

Several bulk boxes of Ritz cracker sandwich sleeves were recalled by their manufacturer and the FDA. Some peanut ...

According to researchers from the Northwestern University Feinberg School of Medicine, adult-onset food allergies are on the ...

An allergy involves a mild to life threatening immune response to an external substance. A sensitivity, on the other hand, is typically a milder reaction associated with difficulty digesting food.

Seminal plasma hypersensitivity can trigger allergic reactions after sex. Although it’s treatable, it’s often mistaken for yeast infections or STIs.

How to identify if you have a food allergy, intolerance or sensitivity. If you're having regular reactions to food, it's important to visit your doctor.

A man hassled a neighbor over his Wi-Fi allergies, and we dismissed him as a member of the tin-foil hat brigade. Now we’re reading PopSci’s look at the Electro-hypersensitivity—the real deal ...