Cold

• Hypothermia is a real risk in the winter or at altitude, but
  • develops slowly
  • Is unpleasant.
• Side effects: diuresis and mental dulling.
• Prevention:
  • dress in layers, take a jacket and cap
  • remember the air cools at ~3 degrees/1000 ft:
  • If you climb, it will get cold
• Recognition:
  • If you feel cold, take prompt action.
  • If you shiver, it's time to go down and home promptly.

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