American Cancer Society <https://www.cancer.org/healthy/stay-away-from-tobacco.html>   American Lung Association <http://www.lung.org/stop-smoking>   American Thoracic Society (ATS) Patient Resources: <https://www.thoracic.org/patients/patient-resources/topic-specific/tobacco-use.php>   "Become an EX" [https://www.becomeanex.org](https://www.becomeanex.org/)   Centers for Disease Control and Prevention [https://www.cdc.gov/tobacco/quit\_smoking](https://www.cdc.gov/tobacco/quit_smoking/index.htm)   Massachusetts Department of Public Health - <http://makesmokinghistory.org/>
- 1-800-QUIT-NOW
 
    Nicotine Anonymous [https://www.nicotine-anonymous.org](https://www.nicotine-anonymous.org/)   Truth Initiative <https://truthinitiative.org>   U.S. Department of Health and Human Services - [BeTobaccoFree.gov](http://www.BeTobaccoFree.gov)
- <https://smokefree.gov/>
- Telephone support: 1-800-QUITNOW ([1-800-784-8669](tel:18007848669))
 
    Smartphone Apps for Help Quitting - <https://smokefree.gov/tools-tips/apps>
- [Tobacco treatment app for Android and iPhone](https://smokefree.gov/tools-tips/apps)
 
    Smokeless Tobacco Information and Resources [NIH developed site](http://www.chewfree.com/)  
 [www.killthecan.org](http://www.killthecan.org/)   **Youth/Teen Smoking Cessation**     - [Campaign for Tobacco-Free Kids](http://tobaccofreekids.org)
- [http://tobaccofreekids.org](http://tobaccofreekids.org/)
- [http://www.cdc.gov/tobacco/youth](http://www.cdc.gov/tobacco/data_statistics/by_topic/youth_data/index.htm)
- [U.S. Department of Health and Human Services/NIH/NCI/USA.gov](http://teen.smokefree.gov)
- [http://teen.smokefree.gov](https://teen.smokefree.gov/)
 
    Quit Calculator Tool and other useful tools and assessments - [Determine how much money can be saved](http://www.quitnow.ca/tools-and-resources/calculate-your-savings)
- [Fagerstrom Test for Nicotine Dependence](http://www.quitnow.ca/tools-and-resources/addiction-evaluation)
- [ATS Clinical Practice Guideline](https://www.atsjournals.org/doi/pdf/10.1164/rccm.202005-1982ST )