A research-backed checklist to identify secondhand and thirdhand smoke exposure risks for your family. No registration required.
Sources: CDC, American Lung Association, Mayo Clinic
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Individual results vary. All tools provide educational self-assessment content based on CDC & published tobacco research only, and do not constitute medical diagnosis, treatment or clinical advice. Consult a licensed healthcare provider for personalized health guidance.
These tools have not been evaluated by the FDA. They are not intended to replace professional medical advice, diagnosis, or treatment. No physician-patient relationship is created by your use of this website.
Quit531 references publicly available tobacco research from the CDC and other health agencies for educational purposes only. Such references do not imply endorsement of Quit531 or the 5-3-1 Method by these organizations.
The 5-3-1 Method is a behavioral habit-change framework developed exclusively by Quit531. It is not a clinical cessation treatment, medical therapy, or substitute for formal professional smoking support programs.