Nicotine, receptors, and reward
Nicotine, receptors, and reward

Nicotine addiction is compulsive nicotine use despite harm, and it can involve both physical dependence and psychological dependence. For this topic, the two core explanations are brain neurochemistry and learning theory.
Step-by-step lessons on AQA A Level Psychology Explanations for nicotine addiction. Each one builds up to exam-style questions. Start with the compulsory core topics before tackling the more evaluation-heavy optional and issues-and-debates content.