Exposure to extreme cold: the Antarctic Plateau, which will be crossed, is the world's largest and coldest desert with extremely low humidity and the expedition will involve prolonged periods of exposure to extreme cold below -70C.

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The coroner certified the cause of death as hypothermia resulting from exposure to cold temperatures while acutely intoxicated.

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If you have a history of asthma or emphysema, (COPD) or other chronic lung disease, limit your exposure to the cold temperatures.

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Still, organizers cautioned attendees to bundle up because of prolonged exposure to the cold as they watch the events and make their way to and from them.

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Still, organizers cautioned attendees to bundle up because they're likely to experience prolonged exposure to the cold as they watch the events and make their way to and from them.

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Nearly half of those deaths were caused by exposure to the cold--twice the number of heat-related deaths and more than all of the combined deaths resulting from lightning, storms, floods, earthquakes, landslides and other natural events.

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But that's not the same as paying cold hard currency for specific levels of exposure.

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"Exposure to a simple childhood cold or illness can become life-threatening to these children, " said Zuch, who also teaches at the school.

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