Frostbite is an injury to the body that is caused by freezing. Frostbite causes a loss of feeling and color in the affected areas. It most often affects the nose, ears, cheeks, chin, fingers, or toes. Frostbite can permanently damage body tissues, and severe cases can lead to amputation. Know the signs and symptoms of frostbite:... - NIOSH National Institute for Occupational Safety and Health

Polar vortex causes 11 deaths, dozens of frostbite injuries