When the body remains in cold temperatures for an extended period of time, the nervous system restricts blood flow to the fingers and toes. This process occurs to keep the body's temperature from falling to a dangerously low level, and lea… read more
Any experienced camper or backpacker will tell you that one of the key rules to remember when packing for an overnight camping trip is to bring more clothes than you think you'll need. Temperatures can drop unexpectedly--particularly at hig… read more
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