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TOPIC: Exposure

Extreme cold can cause Frostbite within minutes, but there are Frostbite Prevention tips. Prolonged exposure to cold can lower the body temperature, causing Hypothermia, which develops in Stages. Keeping the feet damp in wet boots for prolonged periods can result in Trench Foot, a serious fungus infection that can even result in gangrene. Volcanic eruptions or Air Pressure changes can produce deafness.