A tick capable of making its victims allergic to meat and dairy (among other items) and spreading a virus that has no known cure may be reaching new areas, data shows.

Spring means beautiful flowers, fragrant lilacs – and lots of tree pollen coating cars and setting off sneezing, wheezing and headaches. As an allergist and immunologist at the University of Colorado ...

Pennsylvania health officials want to stay ahead of an emerging tick-related disease that can cause a life-threatening reaction to red meat. A bite from a lone star tick can cause so-called alpha-gal ...

Tree, grass, and ragweed pollen are common seasonal allergy triggers. Seasonal allergies can cause symptoms such as sneezing, itchy eyes, runny nose, and congestion. Untreated allergies can lead to ...

If you suffer from seasonal allergies, you may feel like there’s nothing you can do to escape the miserable symptoms that ...

Add Yahoo as a preferred source to see more of our stories on Google. Are your allergies worse this season? For some people, just the thought of being outside this spring and summer makes them want to ...

Food Insects Reptiles are often chosen as pets when an allergy risk exists within a family and the choice is made to avoid potentially allergenic pets such as dogs, cats or guinea pigs. Researchers at ...

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 ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. The arrival of spring is ...

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 ...

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 ...

What Is a Sesame Allergy? A sesame allergy is a food allergy to sesame seeds or sesame oil, which come from the sesame plant. When you have this allergy, your immune system reacts to sesame as though ...