Wind Chill And Frostbite

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Frostbite is the temporary (superficial) or permanent (deep) skin tissue damage caused by prolonged skin-tissue temperature of 23 degrees F and below.

Frostbite is the freezing of skin and damage to underlying blood vessels upon exposure to extreme cold.

Blood flow halts in frostbitten skin, and the area must be thawed and rewarmed swiftly to prevent tissue death (gangrene) and infection. The ears, nose, hands, and feet are particularly susceptible.

Frostbite is sometimes accompanied by a...

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