Medically reviewed by William Truswell, MD Key Takeaways Scabs form to protect and heal a wound by covering it with a dry, ...

Every other Friday, the Outside/In team here at NHPR answers listener questions. Lately, the topic has been healing, and this week's question comes from Lucy Perkins via Instagram, who wants to know: ...

If you’ve ever scraped your knee, you likely noticed scab (crust) form over it. Scabs on cats are basically dried blood that has clotted over the area to protect it and stop the bleeding. So, scabs ...