1, burning cigarettes, consuming life.

2. Stay away from tobacco and refuse to smoke the first cigarette; Purify the air and protect the environment.

3. Maybe, your fingertips hold someone else's life-please don't smoke.

4, refreshing may wish to tea; Trouble is not as good as friends; If you smoke, why bother?

Please leave matches for your birthday candles, not cigarettes.

6. Smoking is harmful to health. It is not only harmful to yourself, but also more harmful to your family.

7. Inhale a temporary excitement and leave a lifelong regret; Inhale a moment of enjoyment, leaving a lifetime of discomfort; Breathe in a chic moment, leaving unforgettable scars; On World No Tobacco Day, may you stay away from cigarettes and be healthy.

Harmful substances produced by cigarette ignition can be roughly divided into six categories:

1, aldehydes, nitrides, olefins, which can stimulate the respiratory tract.

2. Nicotine can stimulate sympathetic nerve and make smokers dependent.

3. Amines, cyanide and heavy metals are all toxic substances.

4. Radioactive substances such as phenylpropyl pyrene, arsenic, cadmium, methylhydrazine and aminophenol all have carcinogenic effects.

5. Phenolic compounds and formaldehyde. It has the effect of accelerating cancer.

6, carbon monoxide, reduce the ability of red blood cells to transport oxygen to the whole body.