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What does the smell of stale tobacco smoke mean?
If you smell stale tobacco smoke, thirdhand smoke is in the air.
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What should I ask before buying a home to avoid purchasing a thirdhand smoke polluted house?
To buy a house free of thirdhand smoke pollution, make sure no previous residents smoked in the home.


If nobody around me smokes, can I still be exposed to thirdhand smoke?
Like thirdhand smoke residue from cigarettes, thirdhand smoke residue from cigars can stick to surfaces, clothes, carpets, furniture, and walls, exposing people to harmful chemicals.

What policies protect me from thirdhand smoke in my workplace?
There are laws that protect against secondhand smoke in the workplace, but there are currently no policies protecting employees from thirdhand smoke.


How can I protect my child from thirdhand smoke in homes?
Young children are at the greatest risk of thirdhand smoke exposure, but there are ways you can protect them.

How can I be exposed to thirdhand smoke?
There are three main ways people can be exposed to thirdhand smoke: breathing, touching, and swallowing.

Thirdhand Vape Residue Can Increase Risk for Blood Clotting and Heart Disease
A recent study by Umphres and colleagues at Texas A&M University reveals that toxic thirdhand vape residue can pose serious cardiovascular risks, even to those who never vape themselves.

Environmental Tobacco Smoke is a Major Contributor to Lead, Cadmium, and Arsenic in Settled House Dust
Read an interview with Dr. Nicolas Lopez-Galvez, who led a recent study on thirdhand smoke as an underrecognized source of toxic heavy metals in homes.

University of Cincinnati Research Links Childhood Trauma, Tobacco Exposure
A University of Cincinnati study finds that children who experience hardship or trauma are more likely to live in homes where they are exposed to tobacco smoke.

What should I ask before buying a home to avoid purchasing a thirdhand smoke polluted house?
To buy a house free of thirdhand smoke pollution, make sure no previous residents smoked in the home.

Tulane University Study: Thirdhand Smoke May be Hidden Asthma Trigger in Kids
The authors of a recent study at Tulane University suspect that thirdhand smoke exposure may be contributing to worsening children’s asthma symptoms. Read this press release by Tulane University on the study.

Why focus on exposure to thirdhand tobacco smoke and not exposure to auto exhaust or industrial pollution?
Quitting smoking is an easy way to reduce air pollution.

Toxic Thirdhand Smoke Residue Reaches Many Children Even in Nonsmoking Homes
More than 90% of all children tested in a recent study showed evidence of tobacco smoke exposure, with highest levels found among Black children and those living in low-income and low-education households.

If nobody around me smokes, can I still be exposed to thirdhand smoke?
Thirdhand smoke residue can remain on surfaces and in dust for years, exposing people to harmful chemicals long after smoking stops.

What policies protect me from thirdhand smoke in my workplace?
There are laws that protect against secondhand smoke in the workplace, but there are currently no policies protecting employees from thirdhand smoke.

Does cannabis create thirdhand smoke?
Smoking or vaping cannabis creates thirdhand chemical residue that has some of the same cancer-causing chemicals as thirdhand chemical residue from smoking or vaping tobacco products.

Can thirdhand smoke hurt my pet?
Your pet cannot make a choice to avoid thirdhand smoke, but you can make it for them by ensuring their indoor and outdoor environment is 100% free of tobacco smoke pollutants.

Who is most likely to be exposed to thirdhand smoke?
Infants and young children are the most likely to breathe in, swallow, or touch thirdhand smoke chemicals, making them most likely to be exposed to thirdhand smoke.

TSNAs: A Toxic Threat in Thirdhand Chemical Residue
Thirdhand smoke contains nicotine, but it also contains toxic, cancer-causing chemicals called TSNA’s.
