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Chemicals are sprayed on plantlike material that is then distributed to be smoked like weed

All particulate matter less than 10microns can enter our airway and cause damage

This may be especially worth remembering given that cigarette taxes, which are based on a percentage of the price, are inherently regressive, meaning that they fall more heavily on the poor

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How Carcinogens in Cigarette Smoke Cause Lung Cancer The carcinogens in cigarette smoke that are inhaled can be metabolically activated (most notably by cytochrome P450 enzymes in the liver) to intermediate compounds that covalently or (sometimes) directly bind to DNA