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Respiratory system diseases(because tobacc and pollution) |
| Answer» ITHA:)Respiratory diseases may be caused by infection, by smoking tobacco, or by breathing in secondhand tobacco SMOKE, radon, asbestos, or other forms of air POLLUTION. Respiratory diseases include asthma, chronic obstructive pulmonary disease (COPD), pulmonary FIBROSIS, pneumonia, and lung cancer.Keep smiling! | |