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Oxygen concentrator and ventilator can improve the respiratory condition of the human body. But most people don’t know the different applications time...

Oxygen therapy plays a vital role in the long-term treatment of chronic diseases such as pulmonary hypertension, pulmonary fibrosis, and...

Chronic respiratory diseases (mainly COPD), cardiovascular and cerebrovascular diseases, malignant tumors, and diabetes are called the "Four Major Chronic Diseases"...

The plateau has a special natural environment, which is characterized by low pressure, low oxygen concentration, dry and cold climate, high...

As the cold air strengthens, the temperature drops.In winter, there is a high incidence of respiratory diseases. During this period, colds,...

There are many causes of COPD, including smoking, occupational dust and chemicals, and air pollution. In the early stage of...