Cigarette

Bronchoscopy in Determining the Effect of E-Cigarette Smoking on Biomarkers in the Lungs

Comparison of Hookah and Cigarette Smoking

A Study of Blood Levels of Nicotine Following an Electronic Cigarette

Hookah Smoking, Carbon Monoxide, and Coronary Endothelial Function

A Study to Assess the Nicotine Pharmacokinetics, Tolerability and Safety With a New Oral Nicotine Replacement Product in Healthy Japanese Smokers

Acute Pharmacokinetic and Pharmacodynamic Effects of Tobacco-Free Oral Nicotine Pouches in Smokers

Informing Oral Nicotine Pouch Regulations to Promote Public Health

Acute Physiological Effects of Electronic Sigarette vs Cigarette Smoking

Nicotine Metabolizers and [11C]-(+)-PHNO

Effect of Smoking on Ventilation-Perfusion Ratio

Very Low Nicotine Content Cigarettes and E-Cigarettes in Promoting Smoking Cessation in Daily and Intermittent Cigarette Smokers

Prefatory Study to Explore Changes in Nasal Mucociliary Clearance and to Standardize Nasal Scraping Procedure

Effect of Switching From Cigarette Smoking to the Use of IQOS on Periodontitis Treatment Outcome

Comparison of Abdominal Aortic Aneurysm Growth in Adult Smoking Patients Who Either Switch to IQOS, Continue Smoking, or Quit Smoking.

Effect of Switching From Cigarette Smoking to THS on Systemic Endothelial Function in Subjects With Established Atherosclerotic Disease

Effect of Switching From Cigarette Smoking to THS on Disease Progression in Mild to Moderate COPD Subjects With Chronic Bronchitis Symptoms.

Symptoms and Functions in Patients With COPD and Chronic Bronchitis Switching From CIG to THS

Pharmacokinetics and Pharmacodynamics of THS With LEVIA Compared to THS With TEREA and to Cigarettes