smoking four cigarettes a day I know smokers that would think this is art 😭 One day at a time....DAY

Almost all cases of lung cancer are caused by smoking - smaller numbers of cases are linked with air pollution and ionising radiationRadiation that is able to remove electrons from atoms or molecules to produce positively charged particles called ions

Smokers bought into the idea, partly because the vents made the smoke feel smoother and less harsh

Offering someone a cigarette, on the one hand, expresses a desire for social interaction and communication, and on the other hand, it can be a sign of addiction and how others experience this addiction

The study authors also looked at the oxidation state of some of the elements because that in part dictates their toxicity