Into Thin Air

by Jon Krakauer

Despite the many trappings of civilization at Base Camp, there was no forgetting that we were more than three miles above sea level. Walking to the mess tent at mealtime left me wheezing for several minutes. If I sat up too quickly, my head reeled and vertigo set in. The deep, rasping cough I’d developed in Lobuje worsened day by day. Sleep became elusive, a common symptom of minor altitude illness. Most nights I’d wake up three or four times gasping for breath, feeling like I was suffocating. Cuts and scrapes refused to heal. My appetite vanished and my digestive system, which required abundant oxygen to metabolize food, failed to make use of much of what I forced myself to eat; instead my body began consuming itself for sustenance. My arms and legs gradually began to wither to sticklike proportions.