Medically reviewed by William Truswell, MDMedically reviewed by William Truswell, MD A scab is a dry, rough protective crust that forms over a cut or wound during healing. It starts to form as soon as ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you find yourself itching your head, you may have dry skin or irritating dandruff. While these are ...

We all know that picking and scratching at a scab is a bad idea — it'll just make it take longer to heal and could even lead to infection. But a healing scab just begs to be scratched. So why do scabs ...

Mice with the same genetic variant that contributes towards red hair in people were slower to recover from wounds than their black-haired counterparts ...