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 ...

Impetigo is a common contagious skin infection ... a doctor may want to culture the bacteria. This involves taking a little bit of the liquid from your sore and testing it to see what type ...

Poison? What poison? Some bacteria may treat the powerful toxins bathing poison dart frog skin like a buffet. The alkaloid chemicals that poison dart frogs wield on their skin increase the variety ...