This document discusses codeine abuse and prevention. Codeine is a prescription opioid that is commonly abused due to its ability to produce feelings of calm and pleasure, which can lead to both physical and psychological dependence. The document outlines the causes of codeine abuse, including biological and environmental factors, and psychological factors. Symptoms of codeine abuse and withdrawal are also described. The document recommends strategies for preventing codeine abuse, such as only taking it as prescribed, discontinuing use once symptoms subside, avoiding non-medical use and other opioid abusers, and increasing regulation and pharmacovigilance of codeine sales.