Evaluation of Appeal and Impact of E-Cigarettes Among Chronic Smokers With Smoking-Related Cancers

Inclusion Criteria: 1. Histological or cytological diagnosis of lung, head \& neck, or bladder cancer within the past 5 years. 2. AJCC (American Joint Committee on Cancer) stages I-IV 3. Daily Smoking (at least 10 cigarettes per day for 10 years) and breath CO (carbon monoxide) greater than or equal to 9 ppm 4. Does not wish to quit smoking now (anyone wishing to quit smoking will be referred for smoking cessation counselling through the DHMC (Dartmouth Hitchcock Medical Center) program) 5. May be receiving anti-cancer agents 6. Age 18 or older 7. Fluent in English; 8. Patient must be capable and willing to provide informed written consent for study participation; 9. Able to participate in study visits Exclusion Criteria: 1. Cancer surgery planned in the next 9 weeks; 2. Treatment with radiation planned for the next 9 weeks, 3. Actively trying to quit smoking, or planning to in the next 30 days. (If a subject reports that they plan to quit smoking in the next 30 days, we will call them after the 30 days to see if they are still trying to quit.) 4. Any use of e-cigarettes in the past 30 days, 5. Pregnant or trying to get pregnant.