Acute Mountain Sickness (AMS) AMS is common at high altitudes. At elevations over 10,000 feet (3,048 meters), 75% of people will have mild symptoms. The occurrence of AMS is dependent upon the ...

A devastating hiking accident on Mount Whitney has left a 14-year-old California boy clinging to life after altitude-induced hallucinations ...

Zane Wach, 14, was exhibiting symptoms of altitude sickness before falling from a cliff on California's Mount Whitney.

A 14-year-old boy in the US is in a medically induced coma after walking off a 120-foot slope right in front of his father while hallucinating due to altitude sickness.

Australian YouTuber Spanian was rescued by helicopter after experiencing extreme altitude sickness during a spontaneous trip ...

The father of Zane Wach, 14, says hallucinations prompted his son to question whether he was dreaming before he fell from a ...

A DAD has revealed the disturbing final words his son said to him before walking off a 120-foot cliff during a mountain hike. Zane Wach, 14, was on his way back after summiting California’s ...

But during the hike, Zane began to suffer altitude sickness symptoms and after doing the toughest part of the climb they were going on an easier trail back to the car when the incident happened.

Mountain adventures promise stunning views and unforgettable memories, but ascending to high elevations triggers profound changes throughout your body.