Altitude sickness is one of the major medical risks associated with trekking in high Himalayan regions.
Reduced oxygen availability at higher elevations stresses human physiology.
Gradual ascent, hydration, rest days, and conservative pacing are central prevention strategies.
Everest, Annapurna, Langtang, and other high routes require acclimatization awareness.
This page connects with Everest Base Camp Trek, Namche Bazaar, Dingboche, and Himalayan trekking safety.