| A land with an elevation of more than three | | | | breathing difficulty. These symptoms result from |
| thousand meters is defined by scientists as a plateau. | | | | oxygen deficit. You may suffer from a series of |
| The climate of a plateau differs greatly from the | | | | disorder, such as a headache, muscle ache or |
| climate of a plain. The former features low oxygen | | | | insomnia. Take it easy. It doesn't mean that you |
| pressure, oxygen shortage, and high radiation. | | | | cannot be adapted to the plateau climate. The |
| When you enter such an environment, your body | | | | disorder is a normal reaction. If you are well-informed |
| needs an important adjustment to be accustomed. | | | | about how to correctly protect yourself, you will get |
| Therefore, you must be well-prepared in different | | | | rid of the discomfort in a day or two. |
| aspects against possible acute high altitude sickness. | | | | Remember not to walk too fast, run or do physical |
| Before you undertake such a trip, you need a | | | | work, when you arrive there the first time. It will be |
| whole-body physical examination. Do not ignore the | | | | best for you to have a complete rest for half a day. |
| potential risk and go to Tibet if you have some | | | | On the first night of your stay, sleep earlier than |
| trouble in your heart, lung, brain, liver, or kidney, or if | | | | before to get enough rest. Efficient sleep can |
| you suffer from severe hypertension, heart disease, | | | | strengthen your body. Some visitors, who felt fairly |
| or anemia. If you have mild breathing problems, you | | | | well and comfortable when they landed, assumed |
| can go there, but it would be a better idea to take | | | | there was no such thing as altitude sickness. They |
| oxygen along with you. | | | | ignored the suggestions given by their guides and did |
| Lhasa, the capital city of Tibet Autonomous Region, | | | | whatever they liked instead of taking a rest. |
| has an elevation of 3600 meters, where oxygen | | | | Eventually they suffered from serious altitude |
| content of air is only 70 percent of that in plains and | | | | sickness. Thus, you need to follow your guides' |
| atmospheric pressure is low. When you get there, | | | | suggestions. |
| you may feel chest distress, short of breath, or | | | | |