It is unclear whether the father and son reached the summit, but any travelers reaching altitudes of 8,000 feet — sometimes lower — are susceptible to altitude sickness and symptoms.

Zane Wach, 14, left, began hallucinating before stepping off a 120-foot cliff while hiking with his father, seen right.

PSMD (Peak width of Skeletonized Mean Diffusivity) PSMD is a robust, fully-automated and easy-to-implement marker for cerebral small vessel disease based on diffusion tensor imaging, white matter ...

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