Almost one in four inmates at Mountjoy Prison is receiving methadone for opioid addiction, new figures have revealed. The proportion is highest among inmates in the women’s prison at the Mountjoy campus, where 40 per cent of prisoners are receiving methadone or a similar drug for addiction to opioids such as heroin. Over one in five inmates at the men’s prison is currently receiving methadone as part of Opioid Agonist Therapy (OAT), according to data contained in tender documents published by the Irish Prison Service (IPS)....