Follow these tips to protect yourself in the cold:
Dehydration affects your body's ability to regulate body heat and increases the risk of frostbite. Fluids, especially water, are as important in cold weather as in the heat. Avoid consuming alcohol or beverages containing caffeine, because these items are dehydrating.
Alcohol dilates blood vessels and increases heat loss so the odds of experiencing a hypothermic event increase. Alcohol can also impair judgment to the extent that you may not make the best or brightest decisions in a cold weather emergency. It's best to leave the alcohol behind when you head out into the cold.
Several thin layers are warmer than one heavy layer. Layers are also easier to add or remove and thus, better regulate your core temperature. The goal is to keep the body warm and minimize sweating and avoid shivering.
Running and other forms of strenuous outdoor exercise can make the athlete feel as if it 20-30 warmer. Overdressing can lead to more sweating than the appropriate amount and layers would generate, and that sweating can cause the body to become wet and cold. In general, if dressed with appropriately, one should feel slightly cold when starting to exercise.
Wet, damp clothing, whether from perspiration or precipitation, significantly increases body-heat loss.
Protect head and extremities-
Layered clothing does a tremendous job at keeping the outdoor athlete warm. However, it is important to protect the head, hands and feet. To minimize the amount of heat lost, the body decreases blood flow to the hands and feet.
Cover your mouth- To warm the air before you breathe it, use a scarf or mask. Do this especially if breathing cold air causes angina (chest pain) or you are prone to upper respiratory problems.
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