Cold hands, warm heart, as the saying goes. But letting your hands, or any other exposed body parts, get too cold can lead to injury. That injury is frostbite. With winter taking hold, injury and even ...

Frostbite is a skin injury caused by prolonged exposure to extreme cold, which can freeze water in the body's cells. Symptoms include numbness, skin discoloration, and a waxy feel, with the nose, ears ...