Habits Behavior 2 Behavior and Behavior Mechanisms 2 Diseases 2 Smoking 2 Air Pollution 1 Complex Mixtures 1 Dual-Process 1 Environment and Public Health 1 Environmental Pollution 1 Health & Biological Sciences 1 Health Care 1 Medicine 1 Mental Disorders 1 Model-Based 1 Model-Free 1 Neoplasms 1 Oncology 1 Particulate Matter 1 Psychology 1 Public Health 1 Reinforcement Learning 1 Science: general issues 1 Smoke 1 Smoking Cessation 1 Substance-Related Disorders 1 Tobacco Smoke Pollution 1 Tobacco Use Cessation 1 Tobacco Use Disorder 1