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Chilled to the Core!

Hypothermia is the chilling of the inner core of the body. It is caused by exposure to cold, and it starts a process of mental and physical collapse as the body starts shutting down systems to protect the more important brain and internal organs.

At about 30C / 86F, a Hypothermia victim will stop shivering and become unconscious.

At about 28C / 82F the victim's breathing and heart stops. A person usually cannot be revived after such extreme cooling.

Warnings signs of Hypothermia: uncontrollable shivering, memory loss, confusion, incoherence, slurred speech, drowsiness, and apparent exhaustion. If you notice these signs, take the victim's temperature - if it has dropped from the normal 37C / 98.6F to below 95F / 35C, get medical help and start warming the body slowly.

Warm the body core first - NOT the extremities (Picture Left: head, hands, feet). If you warm the extremities first, the cold blood is driven toward the heart (Picture Right) and that can lead to heart failure.

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A Guide to Arctic Sunrise and Sunset GUIDE TO ARCTIC SUNRISE & SUNSET: How much sunlight or darkness is there in the Arctic on each day of the year?

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