A Centers for Disease Control and Prevention infographic video about frostbite prevention. The Wilderness Medical Society recommends covering the skin and scalp, taking in adequate nutrition, avoiding constrictive footwear and clothing, and remaining active without causing exhaustion. Supplemental oxygen might also be of use at high elevations. Repeated exposure to cold water makes people more susceptible to frostbite. Additional measures to prevent frostbite include: * Avoiding temperatures below −23 °C (-9 °F) * Avoiding moisture, including in the form of sweat and/or skin emollients * Avoiding alcohol and drugs that impair circulation or natural protective responses * Layering clothing * Using chemical or electric warming devices * Recognizing early signs of frostnip and frostbite
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