Clinical Trials

Head and Neck Neoplasms, Smoking, Tobacco Use Disorder, Smoking Cessation

Solitary Pulmonary Nodule, Smoking, Smoking Cessation, Multiple Pulmonary Nodules

Smoking, Fractures, Stress, Smoking Cessation

Prostatic Diseases, Prostatic Neoplasms, Smoking

Disease, Lung Neoplasms, Smoking

Lung Neoplasms, Smoking

Lung Neoplasms, Smoking

Cigarette Smoking, Tobacco Smoking, Alcohol Drinking, Smoking, Tobacco Use

Noncommunicable Diseases, Alcohol Drinking, Asthma, Cerebrovascular Disorders, Coronary Disease, Diabetes Mellitus, Hyperglycemia, Hypertension, Neoplasms, Obesity, Smoking, Hypokinesia, Pulmonary Disease, Chronic Obstructive, Dyslipidemias, Overweight

Mouth Neoplasms, Smoking

Cigarette Smoking, Tobacco Smoking, Lung Neoplasms, Smoking

Pancreatic Intraductal Neoplasms, Diabetes Mellitus, Pancreatic Neoplasms, Smoking, Pancreatitis, Chronic

Neoplasms, Smoking

Lung Neoplasms, Smoking

Lung Neoplasms, Smoking

COVID-19, Anemia, Sickle Cell, Diabetes Mellitus, Type 2, Hypertension, Neoplasms, Obesity, Obesity, Morbid, Smoking, Pulmonary Disease, Chronic Obstructive, Renal Insufficiency, Chronic

Cardiovascular Diseases, Lung Neoplasms, Smoking, Smoking Cessation, Pulmonary Disease, Chronic Obstructive

Vaping, Smoking, Behavior, Addictive

Lung Neoplasms, Smoking

Cigarette Smoking, Tobacco Smoking, Lung Neoplasms, Smoking, Smoking Cessation

Diabetes Mellitus, Heart Diseases, Neoplasms, Smoking, Stroke

Lung Neoplasms, Smoking

Cardiovascular Diseases, Death, Motor Activity, Neoplasms, Smoking

Cigarette Smoking, Lung Neoplasms, Smoking

Lung Neoplasms, Smoking

Body Weight, Cardiovascular Diseases, Coronary Disease, Diabetes Mellitus, Motor Activity, Neoplasms, Smoking, Stroke

Lung Neoplasms, Smoking, Smoking Cessation

Acquired Immunodeficiency Syndrome, Emphysema, Lung Neoplasms, Smoking, HIV Infections, Substance-Related Disorders

Mouth Neoplasms, Smoking

Lung Neoplasms, Smoking, Pulmonary Disease, Chronic Obstructive

Neoplasms, Smoking, Tobacco Use Disorder

Head and Neck Neoplasms, Smoking

Anemia, Sickle Cell, Neoplasms, Smoking, Smoking Cessation

Lung Neoplasms, Smoking

Acquired Immunodeficiency Syndrome, Alcoholism, Neoplasms, Smoking, HIV Infections