Which sex do you identify with?
Are you a smoker or non-smoker?
Which study group applies to you?
Based on the study group you provided above, how old were you when you started smoking (please provide exact age of first usage)?
Based on your smoking group, how often do you smoke? Please provide the number of times you smoke in days, per week or per month.
Do you use prescription medications and/or vitamins?
If you identify as a female, do you currently use any type of contraception?
Do you have any chronic medical conditions such as (but not limited to): asthma, hypertension, diabetes, anemia, cancer, coronary artery disease, stroke, psychiatric illness, neurological disease, and liver or kidney disease?