Severe frostbite left untreated can result in blackened, numb skin, nerve damage and lost body parts.
Here Are 5 Signs of Frostbite Every Michigander Needs to Know
Fighting Frostbite and Hypothermia: What You Need To Know
Cold-related emergencies: Staying warm and safe in Canadian
Cold Weather Precautions & Resources
Frostbite in extreme cold: Symptoms, treatment, what you need to know
Understanding Frostbite Symptoms, Causes & Treatment - Bansal Hospital
Cold Injuries: A Guide to Preventing--and Treating--Hypothermia
Prevent and Treat Frostbite & Hypothermia
Frostbite - Symptoms and causes - Mayo Clinic
Quick Facts: Frostbite - Merck Manuals Consumer Version
Extreme Cold Anne Arundel County Government
Protect Yourself from the Dangers of Winter Weather