And the psychological stress incidences caused by acute mountain sickness, enviroment inadaptation, and climate inadaptation were the higher, respectively was 54.3%, 33.2%, 25.2%. 其中以急性高原反应、环境不适应、气候不适应引起的心理应激发生率最高，分别为54.3%,33.2%,25.2%。
For example, on the Himalayan mountains where the highest elevation is nine kilometers above sea level, an unacclimated lowland human will experience symptoms of hypoxia, commonly known as mountain sickness.
例如，在最高海拔九公里的喜马拉雅山上，一个水土不服的低地人会出现缺氧症状，俗称高原反应。
中文百科
高原病
高原病（diseases of high altitude），或称高原不适应症（unacclimatization to high altitude），又称高山病（mountain sickness）是指在高原环境中，由于短期或长期适应不全引起以缺氧为突出表现的一组疾病。