Weather forecasting for Everest is better than it used to be, but huge mountains remain dangerously unpredictable.
The cold is insidious and dangerous. Learn a bit about how to survive in winter's worst.
Knowing as much as possible about the risks of exposure in cold elements, and being prepared for them, can help keep harm at bay.
The human body is much better at adapting to heat than to cold. But eventually, the body does make some adjustments.