Respiratory system diseases: angina, chronic bronchitis, bronchiectasis, chronic heart scrap, asthma, chronic obstructive pulmonary disease is the disease encountered plenty of NCT, especially in those with history or are a smoker, tobacco, those who live in a state of lack of oxygen, such as the narrow, dimly lit, smoky kitchen more ... Characteristics of the respiratory diseases are common in cold season, weather changes, at midnight near the light so easy to do for the elderly insomnia lasts.
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