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===About Smoking===
: [[Smoking]] is [[addictive]] because the tobacco that is burned has a [[drug]] called [[nicotine]] inside which causes addiction.
: The smoke from tobacco also has other dangerous [[chemical]]s inside that damage your health:
*Tar - Which gets stuck in the [[mucus]] of the [[lungs]] damaging the cilia on the [[Ciliated Epithelial Cell|ciliated epithelial cells]].