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A new study by scientists at Yale University has found that compounds from tobacco smoke can infiltrate well-ventilated rooms by hitching a ride on peoples' clothes, skin, and hair and then evaporating slowly over time in a process called "off-gassing." By placing a high-tech air sampling device in the exhaust duct of a non-smoking movie theater in Germany, the researchers determined that so-called "thirdhand" smoke exposed movie-goers to between one and 10 cigarettes of passive smoke, depending on the substance in question

These can include skin irritation from patches and mouth or throat irritation from lozenges or gum

If you happened to snore due to the habit of smoking, the good news is that your snoring will also gradually go away

There are limitations to the research, however

Desperate cases If you have to remove the smell of smoke from a room quickly and completely, find out about renting an ozone machine

Remember, neither practice is 100 percent safe