has subject area Adolescent Behavioral Symptoms Brain Carrier Proteins - Serotonin Plasma Membrane Transport Proteins Carrier Proteins - Serotonin Plasma Membrane Transport Proteins Carrier Proteins - Serotonin Plasma Membrane Transport Proteins Chalcogens - Oxygen Chemically-Induced Disorders - Marijuana Abuse Cognitive Behavioral Therapy DNA Mutational Analysis Female Gases - Oxygen Humans Image Processing, Computer-Assisted Magnetic Resonance Imaging Male Membrane Proteins - Serotonin Plasma Membrane Transport Proteins Membrane Proteins - Serotonin Plasma Membrane Transport Proteins Membrane Proteins - Serotonin Plasma Membrane Transport Proteins Mental Disorders - Marijuana Abuse Polymorphism, Genetic Receptors, Biogenic Amine - Receptors, Serotonin Receptors, G-Protein-Coupled - Receptors, Serotonin Receptors, Neurotransmitter - Receptors, Serotonin