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

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

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

In short, this chemical and cellular cascade is what causes an itchy spot on the skin to get angry and inflamed when scratched. “In contact dermatitis, mast cells are directly activated by ...

“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 ...

Factors induced during stress in the brain and/or skin, such as corticotropin-releasing hormone, neuropeptides, neurotrophins and α-melanocyte-stimulating hormone, can activate mast cells to ...

Explore a rare case of systemic mastocytosis in a young adult, highlighting its role in unexplained osteoporosis and the need ...

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

Scratching promotes inflammatory processes in the case of contact allergy. However, it also boosts defenses against staphylococcus aureus, according to a study in 'Science.' ...

“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 ...