A new study reveals that scratching is not just an annoying reflex — it plays a dual role in immune activation and pathogen ...

Scratching promotes inflammatory processes in the case of contact allergy. However, it also boosts defenses against ...

Constantly scratching and picking at an itchy rash really does make it worse. But why? According to newly released research ...

Scientists have now shown why it may not be a good idea to scratch an itchy rash, even though it feels good. This research ...

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 ...

Mice that were free to scratch their itchy ears saw the number of immune cells go up and levels of infection-causing bacteria decline ...

That irresistible relief from scratching an itchy rash comes from the mild pain it causes, which distracts the brain from the itch. This slight discomfort prompts the brain to release serotonin, often ...

An itchy rash can be frustrating, and scratching often feels like the only relief. However, new research confirms that giving in to the urge only makes inflammation worse. The study, published in ...

A dog spent nine years as a “loving companion,” then she landed at a South Carolina shelter. “She desperately needs a friend ...

However, by activating the mast cells, the allergens also triggered a ... the body is effectively getting a double dose of skin inflammation, which is when scratching will probably lead to ...

An insect bite: This is a possibility if your cat is not on flea control medications, but it is unlikely based on the photo ...

“In response to scratching, the release of substance P activates mast cells through a second pathway, so the reason that scratching triggers more inflammation in the skin is because mast cells ...