The Economist

OPIOID-USE disorder, the result of the misuse of drugs including heroin and prescription painkillers, is a well-studied medical condition. In the prison system, however, it isn’t always treated like one. Whereas jails in some parts of Britain offer effective treatment for opioid addicts, others run far more spartan regimes. This variation is endangering prisoners, who are frequently shuttled between the two starkly different systems.​​​​​​​