Aims To quantify the association between opioid agonist treatment (OAT) and overdose
death by age group; test the hypothesis that across different age groups, opioid overdose …

Background Norway has a growing proportion of ageing opioid agonist treatment (OAT)
patients, with 42% of the 8300 Norwegian OAT patients aged over 50 in 2022. This study …

Background Overdoses involving opioids and stimulants are on the rise, yet few studies
have examined longitudinal trends in use of both substances. We sought to describe use …

Introduction: Substance use disorder (SUD) is frequently recognized in the literature as an
epidemic in the United States, but less attention has been paid to the scale of the epidemic …

“Big events”, such as wars, economic crises, pandemics, or natural disasters, affect the risk
environment in which people use drugs. While the impact of big events on injection risk …

Background Older adult overdose death rates have increased significantly in recent years.
However, research for prevention of drug overdose death specific to older adults is limited …

Background The prevalence of drug abuse among older adults has grown over the last
decade. Despite the expanding development of a body of research dedicated to studying …

Background While natural disasters like hurricanes are increasingly common, their long-
term effects on people who inject drugs are not well understood. Although brief in duration …

Trauma is a key factor in conceptual models that link aging to opioid and stimulant use
disorders. Early-life trauma can be a driving factor in people who use opioids and stimulants …

Introduction: Given the increasing adult use of amphetamine and methylphenidate and their
high misuse potential, we examined suspected suicide attempts and other intentional …