New research reveals dangerous impact of tick bites.

Alcohol intolerance and alcohol allergy are often confused, but they are distinct conditions with different causes and mechanisms. Alcohol intolerance is a metabolic issue, typically caused by a ...

New York will start tracking cases of alpha-gal syndrome, the potentially severe red meat allergy triggered by the bite of a ...

Yes, allergies can increase your heart rate. This may occur as a symptom of allergic rhinitis or as a side effect of an allergy medication. Learn more about prevention and treatment options. Your ...

Sniffling a bit more than usual? Welcome to spring allergy season in the Northern Hemisphere. Even if you don’t think you have allergies, it’s worth paying attention to those sniffles. More than 1 in ...

Allergy season can be miserable for tens of millions of Americans when trees, grass, and other pollens cause runny noses, itchy eyes, coughing and sneezing. Where you live, what you're allergic to and ...

A hazelnut allergy is a common type of tree nut allergy that usually begins during childhood. Avoiding hazelnuts is the best way to prevent associated allergic reactions. Tree nut allergies are ...

Add Yahoo as a preferred source to see more of our stories on Google. If you struggle with hair loss, you probably have come up with a hundred possible reasons that could be causing it: from hormonal ...

What’s behind the rise in allergies? Cleanliness is next to godliness, as they say, so for those who are a little less fastidious, the idea that dirt could protect from allergies might have a certain ...

Allergy symptoms depend on the type of allergy but may include sneezing, itchy skin, or swelling. Some allergies can cause anaphylaxis, which can be life threatening and requires immediate treatment.

What Is a Peanut Allergy? You have a peanut allergy when your body’s immune system overreacts to peanuts. Normally, your immune system helps protect you from germs and other harmful substances. But if ...