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Learn how to prevent thirdhand smoke exposure:

What products contribute to thirdhand chemical residue?
It’s more than just cigarettes — all tobacco products leave behind a thirdhand chemical residue.

Thirdhand Vape Residue May Disrupt Lung Development at an Early Age
A recent study by Zaman and colleagues at Louisiana State University found that thirdhand vape residue may interfere with lung development at an early age.

New Digital Resource to Address Second- and Thirdhand Smoke Exposure Launches in Switzerland
“The Swiss Association for Tobacco Control, in collaboration with the Swiss Lung League, launched Switzerland’s first digital platform dedicated to providing resources about passive smoke and vaping exposure. The website,

Study Finds that Only Homes the Completely Ban Smoking Protect Children from Thirdhand Smoke Exposure
“A recent study published in China CDC Weekly found that while partial smoking restrictions inside the home can reduce children’s exposure to secondhand smoke, they do not fully protect against

New Study Establishes First Reference Level for Thirdhand Smoke Contamination – Video
These videos were created in collaboration with our community partner, United Women of East Africa Support Team, specifically for Hispanic, Somali, and Pacific Islander communities.

New Study Establishes First Reference Level for Thirdhand Smoke Contamination
“A recent study by Matt and colleagues at San Diego State University and the Center for Tobacco and the Environment establishes the first-ever quantitative benchmarks for measuring thirdhand smoke contamination

Study finds thirdhand smoke chemical residue on indoor surfaces exceeds cancer risk thresholds
This study finds that thirdhand smoke exposure to VOCs may pose a greater incremental lifetime cancer risk than secondhand smoke exposure, driven by the sustained re-emission of carcinogenic VOCs from surfaces long after active smoking has stopped.

Educational Program Improves Pregnant Women’s Understanding of Thirdhand Smoke Risks
This study shows that an educational program can improve pregnant women’s knowledge, beliefs, and protective behaviors related to thirdhand smoke exposure.

Second and Thirdhand Smoke Exposure Associated with an Increased Risk of Liver Cancer
A recent study by Li and colleagues at the Second Affiliated Hospital of Chongqing Medical University in Chongqing, China, followed over 315,000 people who had never smoked.

Can you test for thirdhand smoke?
Until a more sensitive test is available, only research labs can effectively detect thirdhand smoke.

New Research on the Health Impacts of Thirdhand Smoke from Lawrence Berkeley National Laboratory
A new review from Lawrence Berkeley National Laboratory brings together two recent studies on thirdhand smoke, connecting findings on cancer risk and brain health.

Do electronic cigarettes create thirdhand chemical residue?
Whether you’re renewing your apartment lease or searching for a new one, avoid thirdhand smoke and rent a smokefree property.

What questions should I ask before signing my next apartment lease?
Whether you’re renewing your apartment lease or searching for a new one, avoid thirdhand smoke and rent a smokefree property.

What are the advantages of making my rental properties smokefree?
Save lives and money by making your rental property smokefree.

Low-Level Thirdhand Smoke Residue Can Increase Risk for Blood Clotting and Heart Disease
A recent study by Badejo and colleges at Texas A&M University reveals that toxic thirdhand smoke residue can pose serious cardiovascular risks, even to those who never smoke themselves.

If someone smokes outside, do they bring thirdhand smoke indoors with them?
After smoking, people carry thirdhand smoke on their clothes, skin, and hair into homes, buildings, cars, and other enclosed spaces.

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.

Thirdhand Smoke Chemical Residue Impacts Anxiety, Memory, and Brain Health in Genetically Diverse Mice
Read an interview with Dr. Hang Chang, the study’s corresponding author, who explains how their findings point to important implications for human health.

How can I protect my child from thirdhand smoke in cars?
Young children need to be protected from thirdhand smoke exposure in all indoor environments – including in cars. Here are some ways to keep your child’s ride smokefree.

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.
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