The itch from bug bites, rashes, and other skin conditions can sometimes be so overpowering that it feels impossible to avoid ...

Scratching an itchy rash worsens inflammation by triggering pain-sensing neurons and activating mast cells, creating a ...

and rashes." I was curious as to how Caroline figured out the only two foods that wouldn't cause her to have this type of reaction. She said, "I was hospitalized for a mast cell flare-up in the ...

The researchers also demonstrated that scratching prompts pain-sensing neurons to release a chemical known as substance P, which triggers mast cells: cells involved in the immune system, causing ...

Food allergy, or the aggressive immune system reaction following the consumption of a certain food or food ingredient, typically involves immunoglobulin E (IgE) antibodies and can be potentially life- ...