Related Experiment Video
Updated: Jun 24, 2026

Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder
Published on: June 23, 2023
Why don't they just quit?
1Department of Psychiatry, Sanford School of Medicine of The University of South Dakota, USA.
Abstract:
There has been increased emphasis on intervention by physicians with their patients concerning smoking and smoking cessation. Yet, many patients do not quit. This article reviews some of the reasons why they don't just quit. The physiologic effects of nicotine addiction, conditioned stimulus-response learning, mood disorders, personality traits and individual genetics impact cessation rates. Guidelines are presented for increasing cessation rates.
Related Concept Videos
Cognitive Dissonance
Social Loafing
Leaving Groups
In general, in a nucleophilic substitution reaction, a nucleophile displaces a functional group, called the leaving group, from the substrate to give a substituted product. A leaving group departs the substrate molecule through heterolytic cleavage, taking the pair of electrons with it to become a relatively stable weak base in the form of an anion or a neutral molecule.
In a nucleophilic...
Self-Discrepancy Theory
Groupthink
Obedience