The content of PM2.5 in the container with coarse smoke combustion is about 58.9, and that in the container with fine smoke combustion is about 60.8. This experiment shows that. Fine smoke combustion produces more PM2.5 than smoking combustion.

That is to say, in the process of combustion, fine smoke releases more nicotine and tar than coarse smoke. From this point of view, fine smoke is more harmful than coarse smoke, and the result may be different from what we thought.

If the human body smokes for a long time, it will cause certain damage to the lungs. After a long time, it is easy to get lung disease. Even if it is serious, it is possible to suffer from emphysema, lung cancer and other diseases, as well as some respiratory diseases.

Smoking does harm to human body not once or twice, but through long-term accumulation. In daily life, many smokers may not be aware of some hazards.

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