has subject area Adult Benzodiazepines Carbon Compounds, Inorganic - Carbon Monoxide Central Nervous System Agents - Antipsychotic Agents Central Nervous System Agents - Central Nervous System Stimulants Central Nervous System Agents - Hypnotics and Sedatives Chemically-Induced Disorders - Substance-Related Disorders Cues Environment and Public Health - Double-Blind Method Environment and Public Health - Surveys and Questionnaires Female Gases - Carbon Monoxide Health Care Evaluation Mechanisms - Double-Blind Method Health Care Evaluation Mechanisms - Surveys and Questionnaires Humans Investigative Techniques - Double-Blind Method Investigative Techniques - Surveys and Questionnaires Male Mental Disorders - Substance-Related Disorders Methods - Double-Blind Method Olanzapine Oxygen Compounds - Carbon Monoxide Physiological Effects of Drugs - Antipsychotic Agents Physiological Effects of Drugs - Central Nervous System Stimulants Physiological Effects of Drugs - Hypnotics and Sedatives Psychotropic Drugs - Antipsychotic Agents Smoking