Heated tobacco: how do smokers really puff?

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Be aged 21-65 years (inclusive) * Be self-reported current 'daily users' of at least 5 CPD and have smoked at least 100 cigarettes in their lifetime. ('daily users' defined as have smoked 5 CPD for at least 27 days out of last 30 days) * Agree to participate in the study and to abide by the study restrictions and requirements, including the use of the assigned Study IP, as described in the ICF. * Agree not to allow any other person to use any product provided to them for use during this study. Exclusion Criteria: * Women who self-report they are pregnant or breastfeeding or could become pregnant or start breastfeeding in the next three months from the study start date. * Women who self-report they are not using adequate methods to prevent pregnancy, which they intend to continue throughout the study. a. Examples of acceptable means of birth control are, but not limited to: i. Surgical sterilization (hysterectomy, bilateral tubal litigation/occlusion, bilateral oophorectomy, bilateral salpingectomy); ii. Established use of oral, implantable, injectable, or transdermal methods of contraception associated with inhibition of ovulation; iii. Physical barrier method (e.g., condom, diaphragm/sponge/cervical cap) with spermicide; iv. Non-hormone releasing intrauterine devices (IUD) or hormone-releasing IUDs (e.g., Mirena or Kyleena); v. Vasectomized partner; vi. Abstinence from heterosexual intercourse (as a lifestyle choice, not just for the purpose of study participation; and vii. Post-menopausal and not on hormone replacement Therapy * People who self- report having pacemakers or other embedded electronic medical devices. * People who self-report having heart disease, high blood pressure, diabetes, depression, or asthma. * People who have ever used HTP. * People who self-report currently quitting or planning to quit all nicotine products in the next 3 months. * People who self-report having participated in tobacco product research in the past 3 months. * People who self-report themselves, or someone in their direct family or close friends, as working in one of the following areas: 1. Advertising 2. Journalism 3. Media 4. Insurance 5. Marketing 6. Market Research 7. Manufacturer or retailer of tobacco or vapor products 8. Public Relations 9. Sale of Alcohol