Lead Story Biomarkers of metal exposure in adolescent e-cigarette users: correlations with vaping frequency and flavouring  Tobacco Control Various metals have been identified in e-cigarettes and, as their use among youth has increased in the last decade, this is of public health concern. In this study, researchers utilized a national sample of youth who use e-cigarettes and associated between lead, cadmium, and uranium levels and use patterns. Youth who reported intermittent or frequent use...

Association of regular opioid use with incident dementia and neuroimaging markers of brain health in chronic pain patients: analysis of UK Biobank The American Journal of Geriatric Psychiatry In this cohort study, researchers examine the association between regular opioid use in patients with chronic pain and development of dementia over 15 years of follow-up. Regular opioid use versus non-opioid analgesic use in this population was associated with increased risk of incident dementia (HR=1.18...

Preventing deaths after prison release The Lancet Formerly incarcerated people have exceptionally poor health profiles and are at increased risk of preventable mortality when compared to their general population peers. This accompanying editorial discusses a study by Borschmann et al published in the same issue of The Lancet. Using administrative data from the multi-national Mortality After Release from Incarceration Consortium (MARIC) study, the authors examined mortality outcomes for...

Lead Story: Telling the story of the opioid crisis: A narrative analysis of the TV series Dopesick  PLOS One Dopesick (2021) is the first TV series whose plot deals exclusively with the opioid crisis in the United States. The current study uses narrative analysis and framing theory to explore this series, discussing its portrayal of the people and themes involved in the opioid crisis. This analysis found that although Dopesick attempts to portray multiple dimensions of the opioid crisis, its...

Lead Story: Impact of jail-based methadone or buprenorphine treatment on non-fatal opioid overdose after incarceration Drug and Alcohol Dependence The authors studied the effect of receiving MOUD during incarceration in New York City jails on non-fatal overdose events during the year after discharge. Data were analyzed for patients with OUD incarcerated between 2011-2017 who either received MOUD during the 3 days before release (n=8660) or did not receive MOUD just prior to release...

Lead Story: Epigenome-wide association study on methamphetamine dependence Addiction Biology The authors of this study postulate that some of the biologic changes resulting from methamphetamine use may be associated with epigenetic changes from DNA methylation. Such associations have been seen in schizophrenia, mood disorder, obsessive-compulsive disorder, and Parkinson’s disease. Subjects with methamphetamine dependence (n=24) as well as age and sex matched controls had an epigenome-wide...

Disposable E-Cigarette Use and Subsequent Use Patterns in Adolescents and Young Adults  Pediatrics Utilizing sequential surveys in adolescents and young adults, the study evaluated the association between disposable e-cigarette (E-cig) use versus non-disposable E-cig and subsequent E-cig use. Those reporting the use of disposable e-cigs at baseline reported greater number of use days in past 30-days. In the follow-up survey, while controlling for demographics and baseline e-cig use patterns,...

Lead Story: Adolescent Δ8-THC and Marijuana Use in the US 🔓 JAMA  D8-THC is synthesized from legal hemp plants (with low D9-THC) and has intoxicating effects similar to D9-THC. D8-THC is available in smoking, vaping, and edible products and is marketed as federally legal. To investigate the extent of D8-THC use by adolescents, data were extracted from the 2023 Monitoring the Future study in which a random selection of 12th grade students were asked about D8-THC use (n=2186). Prevalence of...

Lead Story: Association of Cannabis Use With Cardiovascular Outcomes Among US Adults  Journal of the American Heart Association Cannabis use has increased in the US and perceived harmfulness has decreased, but there is evidence to suggest that cannabis use may increase risk of cardiovascular disease. In this study, the authors utilized the Brief Risk Factor Surveillance System survey to assess association between cannabis use and cardiovascular disease. In a multivariate analysis, they found...

Lead Story: Racial and Ethnic Disparities in Geographic Availability of Buprenorphine Journal of Addiction Medicine To identify whether buprenorphine availability equitably meets the needs of diverse populations, this study examined the differential geographic availability of buprenorphine in areas with greater concentrations of racial and ethnic minority groups. There were 45% to 55% fewer prescribers in urban areas and 62% to 79% fewer prescribers in rural areas as minority composition...

Lead Story Smoking changes adaptive immunity with persistent effects Nature There is significant variability in immune response across the population, some of which is related to age, sex, and genetics, but this study examines other factors that may be related to immune response. Notably, the authors found that smoking affected both innate and adaptive immune response, and that the associations were consistent across number of years smoking and number of cigarettes. The effect on innate...

Lead Story: Overdose mortality incidence and supervised consumption services in Toronto, Canada: an ecological study and spatial analysis  The Lancet Public Health The objective of this study was to measure the effect of safe consumption sites (SCS) on overdose mortality. Between 2017 and 2019, nine SCS were implemented in Toronto, Canada. During this period there were 787 overdose deaths. In the 15 neighborhoods within 500 meters of an SCS, overdose deaths decreased by 67% (p=0.037) after...

Lead Story: Safety of e-cigarettes and nicotine patches as stop-smoking aids in pregnancy: Secondary analysis of the Pregnancy Trial of E-cigarettes and Patches (PREP) randomized controlled trial  Addiction It is not clear to what extent nicotine is responsible for adverse outcomes of smoking during pregnancy. This study examined outcomes of e-cigarette (EC) and nicotine replacement therapy (NRT) use in pregnancy. Pregnant smokers were randomly assigned to EC or NRT. ECs were more than twice...

Polysubstance mortality trends in White and Black Americans during the opioid epidemic, 1999–2018  BMC Public Health The CDC characterizes the opioid epidemic in three waves: first, prescription opioids (1999-2010); second, heroin (2011-2013); and third, synthetic opioids (2013-present). The authors examine the epidemic, looking at trends in multiple substances involved in overdoses and differences by race. Psychostimulant and benzodiazepine involvement were more common among White persons,...

Lead Story: First Trimester Use of Buprenorphine or Methadone and the Risk of Congenital Malformations 🔓 JAMA Internal Medicine In this cohort study of 9,514 pregnancies with first-trimester buprenorphine exposure and 3,846 with methadone exposure, the prevalence of congenital malformations overall and several malformation subtypes was lower among pregnant individuals treated with buprenorphine compared with methadone, except for gastrointestinal malformations. There was an 18% relative risk...

Trends in hallucinogen-associated emergency department visits and hospitalizations in California, USA, from 2016 to 2022 🔓 Addiction There has been growing interest in recent years around hallucinogens as potential therapeutics, and use among young adults has increased significantly. With limited data, the mounting perception is that hallucinogens are safe. In this context, the authors examined emergency department (ED) visits and hospitalizations due to hallucinogens versus alcohol and...

Lead Story: Adolescent Residential Addiction Treatment In The US: Uneven Access, Waitlists, And High Costs Health Affairs Residential treatment facilities are one treatment option for adolescents with substance use disorders, yet little is known about their accessibility or cost. This study identified 160 residential addiction treatment facilities that treated adolescents with opioid use disorder as of December 2022. Eighty-seven facilities (54.4 percent) had a bed immediately available....

Lead Story: Benzodiazepine Discontinuation and Mortality Among Patients Receiving Long-Term Benzodiazepine Therapy  JAMA Network Open In this comparative effectiveness study among 353,576 patients receiving stable long-term treatment with benzodiazepines, discontinuation was associated with small absolute increases in mortality and other potential harms, including nonfatal overdose, suicide attempt, suicidal ideation, and emergency department visits. These results suggest benzodiazepine...

Top Publication of 2023: ASAM Clinical Considerations: Buprenorphine Treatment of Opioid Use Disorder for Individuals Using High-potency Synthetic Opioids 🔓 Journal of Addiction Medicine This clinical considerations document is based on a narrative literature review and expert consensus and addresses considerations for changes to the clinical practice of treatment of opioid use disorder (OUD) with buprenorphine for individuals using high-potency synthetic opioids (HPSOs). Broadly, it...

Lead Story: Examining the benefit of a higher maintenance dose of extended-release buprenorphine in opioid-injecting participants treated for opioid use disorder  Harm Reduction Journal  This is a secondary analysis of a randomized, double-blind study comparing 100 mg and 300 mg maintenance doses of extended-release buprenorphine (BUP-XR). All patients (n=311) received 2 monthly induction doses of 300 mg BUP-XR followed by 4 monthly maintenance doses of either 100 mg or 300 mg BUP-XR. For...

Lead Story:  Relationship between alcohol use and firearm-involved suicide: Findings from the National Violent Death Reporting System, 2003-2020 American Journal of Preventive Medicine This study evaluated the sex- and age group-specific relationship between alcohol intoxication and firearm-involved suicide. Among males of all ages and young and middle-aged females, alcohol intoxication was associated with increased risk of suicide by firearm, an extremely lethal method that accounts for a...

Lead Story:   Pregnancy and Postpartum Drug Overdose Deaths in the US Before and During the COVID-19 Pandemic JAMA Psychiatry This cross-sectional exploratory study examined knowledge gaps in overdose deaths among pregnant and postpartum persons from 2018-2021 as compared to nonpregnant overdose deaths and obstetrical deaths. Overdose deaths among pregnant and postpartum women consistently increased among those aged 10 to 44 years, and more than tripled among those aged 35 to 44 years, from...

Lead Story: 2022 National Survey on Drug Use and Health (NSDUH)  SAMHSA  Key findings include that in 2022, 70.3 million people aged 12 or older (or 24.9%) used illicit drugs in the past year. Marijuana was the most used illicit drug, with 22.0% of people aged 12 or older (or 61.9 million people) using it in the past year. In 2022, 48.7 million people aged 12 or older (or 17.3%) had a substance use disorder (SUD) in the past year, including 29.5 million who had an alcohol use disorder (AUD),...

Lead Story: Neural circuit selective for fast but not slow dopamine increases in drug reward🔓 Nature Communications The authors note that rapid delivery to the brain when drugs are injected or smoked results in more severe substance use disorders. They used functional MRI and PET scans to monitor dopamine increases while subjects (n=20) received methylphenidate either orally or intravenously. Intravenous methylphenidate caused a more rapid increase in dopamine than oral. Activity in the...