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How to treat severe hypothermia
Be on the offensive side of the ball.
This means to try to prevent the factors that lead up to hypothermia in the first place. Wear hats and gloves; bundle up warmly.
Pay attention to the weather; when the weatherman speaks of the wind chill factor, know that this is a serious factor that contributes to more cases of hypothermia than any other. Stay dry when outside in the cold.