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人为什么会缺氧? 如空气中氧含量在21％左右,理论上说能满足正常人的身体需要。但由于空气污染、心脑血管疾病、呼吸系统疾病和高强度用脑等原因,往往会导致人缺氧。调查表明,城市人口90％处于不同程度的缺氧状态。缺氧正成为许多人健康的无形杀手。哪些人容易缺氧? 中老年人和体弱多病者这部分人由于年龄和疾病影响,呼吸系统功能减弱,成为缺氧的高发人群。长期处在缺氧环境中的人如封闭
Why people hypoxia? If the oxygen content in the air about 21%, in theory, to meet the normal needs of the body. However, due to air pollution, cardiovascular and cerebrovascular diseases, respiratory diseases and high-intensity use of the brain and other reasons, often lead to hypoxia. Survey shows that 90% of urban population in varying degrees of hypoxia. Hypoxia is becoming an invisible killer of many people’s health. Who is easy to hypoxia? This part of the elderly and frail patients due to age and disease, respiratory system function weakened as a high incidence of hypoxia. Long-term people in anoxic environments such as closed