PublicationsPublicaciones
Publications by Joseph Friedman, MD, PhD: 100 peer-reviewed articles on overdose, the illicit drug supply, addiction, and health inequality, with free full-text PDFs where available.
Peer-reviewed articles, commentaries, and my dissertation. Free full text is linked when possible. Also on Google Scholar. An asterisk marks co-first authorship. Artículos revisados por pares, comentarios y mi tesis doctoral. Se enlaza el texto completo gratuito cuando es posible. También en Google Scholar. Un asterisco indica primera autoría compartida. Los títulos se muestran en su idioma original.
40,054citationscitas
47h-indexíndice h
100publicationspublicaciones
Citations and h-index from Google Scholar, November 2026.Citas e índice h según Google Scholar, noviembre 2026.
2026
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Crystal Clear: Purity of consumer-level methamphetamine samples and methamphetamine-adulteration of other drugs in Los Angeles, 2023-2025
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What Dose of Methamphetamine Do Regular Consumers Use Daily? Estimating Oral Amphetamine Milligram Equivalents
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Methadone treatment and associated health and social outcomes after a national manufacturing closure in Mexico: a longitudinal observational cohort study in Tijuana
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Epidemiological invisibilisation: a man overdoses in Tijuana
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Estimating the daily milligrams of morphine equivalent of illicit fentanyl use in Los Angeles: Clinical and epidemiological implications
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“Chill packs” self-administered olanzapine as psychiatric harm reduction for methamphetamine-induced psychosis: a narrative review of the existing evidence base
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Charting the decline of the fourth wave: US overdose deaths by race, ethnicity and substance involvement
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US overdose mortality saw first drop below the Jalal-Burke exponential growth curve in 2024
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Prevalence and Reasons for Microdosing Cannabis, Psilocybin, LSD, and MDMA Among U.S. Adults
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Clinical Characteristics of Emergency Visits Related to Recreational Psychedelic Use
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Health risks and cross-border environmental exposure: A binational study of the San Diego-Tijuana-Rosarito Pacific Ocean coastline
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Assessing the real-world performance of xylazine test strips for community-based drug checking in Los Angeles
2025
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What does ‘polysubstance’ really mean? Comparing drug-involved deaths in CDC records vs. detailed medical examiner data from Los Angeles
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Internet Searches for Lorazepam Following the Release of The White Lotus
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Extreme vulnerability to overdose mortality: Intersections of detailed race/ethnicity, educational attainment, age, sex, and nativity
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High variation in purity of consumer-level illicit fentanyl samples in Los Angeles, September 2023–April 2025
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Quetiapine: A Novel Additive to the Illicit Heroin Supply in Los Angeles
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Modeling the impact of changing drug markets and structural determinants on HCV and/or HIV transmission among people who inject drugs in the United States: A rural and urban comparison
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Xylazine prevalence and concentration in the Los Angeles fentanyl market, 2023–2025
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Assessing an ICD-10 code approach for estimating xylazine-involved overdose deaths in the United States
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Polysubstance-Involved Opioid Overdose Deaths Among US Youths: 2020 to 2023
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Drug overdose mortality rates among non-Hispanic American Indian/Alaska Native individuals, 1999–2022
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The Detection of Xylazine in Tijuana, Mexico: Triangulating Drug Checking and Clinical Urine Testing Data
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The evolution of serious health-related suffering from 1990 to 2021: an update to The Lancet Commission on global access to palliative care and pain relief
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Substance Use Disorder and Harm Reduction Curriculum in United States and Canadian Undergraduate Medical Education: An Online Survey
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UV Stabilizer BTMPS in the Illicit Fentanyl Supply in 9 US Locations
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Managing xylazine-involved overdoses in a community harm reduction setting: lessons from Tijuana, Mexico
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The public health risks of counterfeit pills
2024
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Tracking Drug Overdose in Latin America: The Epidemiological Potential of Prehospital and Emergency Department Data
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Illicit Fentanyl Use and Hepatitis C Virus Seroconversion Among People Who Inject Drugs in Tijuana and San Diego: Results From a Binational Cohort Study
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Leveraging pooled medical examiner records to surveil complex and emerging patterns of polysubstance use in the United States
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Understanding and Addressing Widening Racial Inequalities in Drug Overdose
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Changes in injecting versus smoking heroin, fentanyl, and methamphetamine among people who inject drugs in San Diego, California, 2020–2023
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Global Assessment of Palliative Care Need: Serious Health-Related Suffering Measurement Methodology
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Trends in Deaths of Despair by Race and Ethnicity From 1999 to 2022
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Commentary on Copeland et al.: Does xylazine in the United Kingdom foreshadow a European synthetic polysubstance drug crisis?
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Global burden of 288 causes of death and life expectancy decomposition in 204 countries and territories and 811 subnational locations, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021
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Global age-sex-specific mortality, life expectancy, and population estimates in 204 countries and territories and 811 subnational locations, 1950–2021, and the impact of the COVID-19 pandemic: a comprehensive demographic analysis for the Global Burden of Disease Study 2021
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Decreasing Stigma Toward People Who Inject Drugs: Harm Reduction Training for First-Year Medical Students
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Looking Back on COVID-19 and the Evolving Drug Overdose Crisis: Updated Trends Through 2022
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Novel metrics to measure gender bias in operating room scheduling priority
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Effects of education on adult mortality: a global systematic review and meta-analysis
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The Overdose Crisis among U.S. Adolescents
2023
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Recovery incentives program: California’s contingency management benefit
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Charting the fourth wave: Geographic, temporal, race/ethnicity and demographic trends in polysubstance fentanyl overdose deaths in the United States, 2010–2021
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The emerging fentanyl–xylazine syndemic in the USA: challenges and future directions
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Buprenorphine deregulation as an opioid crisis policy response - A comparative analysis between France and the United States
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Rethinking urban-rural designations in public health surveillance of the overdose crisis and crafting an agenda for future monitoring
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Longitudinal changes in co-involved drugs, comorbidities, and demographics of methamphetamine-related deaths in Los Angeles County
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Fentanyl, heroin, and methamphetamine-based counterfeit pills sold at tourist-oriented pharmacies in Mexico: An ethnographic and drug checking study
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Accompaniment on the edge: What can the US learn from Latin America about contested abortion care?
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US drug overdose mortality rose faster among hispanics than non-hispanics from 2010 to 2021
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Medical Student–Led Initiative to Incorporate Harm Reduction into Medical School Curriculum
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Deaths of despair and Indigenous data genocide
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Commentary on Lim et al.: Mortality database linkages—A critical methodology to understand the structural drivers of the overdose crisis
2022
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Substance use policy and practice in the COVID-19 pandemic: Learning from early pandemic responses through internationally comparative field data
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Inequalities in COVID-19 mortality: defining a global research agenda
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Correlates of recent overdose among people who inject drugs in the San Diego/Tijuana border region
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Sex and Drug Overdose Mortality Trends, 1999-2020—Reply
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Deported, homeless, and into the canal: Environmental structural violence in the binational Tijuana River
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Trends in Drug Overdose Deaths Among US Adolescents, January 2010 to June 2021
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The introduction of fentanyl on the US–Mexico border: An ethnographic account triangulated with drug checking data from Tijuana
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An Ethnographic Assessment of COVID-19‒Related Changes to the Risk Environment for People Who Use Drugs in Tijuana, Mexico
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Quantifying the effects of the COVID-19 pandemic on gender equality on health, social, and economic indicators: a comprehensive review of data from March, 2020, to September, 2021
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Evaluation of Increases in Drug Overdose Mortality Rates in the US by Race and Ethnicity Before and During the COVID-19 Pandemic
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The radically unequal distribution of Covid-19 vaccinations: a predictable yet avoidable symptom of the fundamental causes of inequality
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Increases in drug overdose deaths in Norway and the United States during the COVID-19 pandemic
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Far From a “White Problem”: Responding to the Overdose Crisis as a Racial Justice Issue
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Surging Racial Disparities in the U.S. Overdose Crisis
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Potency-Enhancing Synthetics in the Drug Overdose Epidemic: Xylazine (“Tranq”), Fentanyl, Methamphetamine, and the Displacement of Heroin in Philadelphia and Tijuana
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Integrating Data Science and Ethnography for Critically Applied Rapid Surveillance of Emerging Health Inequalities
2021
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Growing racial/ethnic disparities in overdose mortality before and during the COVID-19 pandemic in California
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COVID-19 and the Nordic Paradox: a call to measure the inequality reducing benefits of welfare systems in the wake of the pandemic
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International COVID-19 mortality forecast visualization: covidcompare.io
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Xylazine Spreads Across the US: A Growing Component of the Increasingly Synthetic and Polysubstance Overdose Crisis
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Parental education and inequalities in child mortality: a global systematic review and meta-analysis
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Racial/Ethnic, Social, and Geographic Trends in Overdose-Associated Cardiac Arrests Observed by US Emergency Medical Services During the COVID-19 Pandemic
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Predictive performance of international COVID-19 mortality forecasting models
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COVID-19 and the Drug Overdose Crisis: Uncovering the Deadliest Months in the United States, January‒July 2020
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Geographical and socioeconomic disparities in opioid access in Mexico, 2015–19: a retrospective analysis of surveillance data
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U.S. Children “Learning Online” during COVID-19 without the Internet or a Computer: Visualizing the Gradient by Race/Ethnicity and Parental Educational Attainment
2020
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Overdose-Related Cardiac Arrests Observed by Emergency Medical Services During the US COVID-19 Epidemic
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Intersectional structural vulnerability to abusive policing among people who inject drugs: A mixed methods assessment in California’s central valley
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Excess Out-of-Hospital Mortality and Declining Oxygen Saturation: The Sentinel Role of Emergency Medical Services Data in the COVID-19 Crisis in Tijuana, Mexico
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Opioid prescription patterns among patients who doctor shop; Implications for providers
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Measuring and forecasting progress towards the education-related SDG targets
2019
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Structural vulnerability to narcotics-driven firearm violence: An ethnographic and epidemiological study of Philadelphia’s Puerto Rican inner-city
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Pursuing Global Equity in Access to Cancer Drugs
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Assessment of Racial/Ethnic and Income Disparities in the Prescription of Opioids and Other Controlled Medications in California
2018
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Improving the estimation of educational attainment: New methods for assessing average years of schooling from binned data
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Quantifying disparities in access to public-sector abortion based on legislative differences within the Mexico City Metropolitan Area
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Forecasting life expectancy, years of life lost, and all-cause and cause-specific mortality for 250 causes of death: reference and alternative scenarios for 2016–40 for 195 countries and territories
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Measuring human capital: a systematic analysis of 195 countries and territories, 1990–2016
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Mapping local variation in educational attainment across Africa
2017
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Global, regional, and national under-5 mortality, adult mortality, age-specific mortality, and life expectancy, 1970–2016: a systematic analysis for the Global Burden of Disease Study 2016
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Measuring progress and projecting attainment on the basis of past trends of the health-related Sustainable Development Goals in 188 countries: an analysis from the Global Burden of Disease Study 2016
2016
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Global, regional, national, and selected subnational levels of stillbirths, neonatal, infant, and under-5 mortality, 1980–2015: a systematic analysis for the Global Burden of Disease Study 2015
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Global, regional, and national levels of maternal mortality, 1990–2015: a systematic analysis for the Global Burden of Disease Study 2015
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Global, regional, and national incidence, prevalence, and years lived with disability for 310 diseases and injuries, 1990–2015: a systematic analysis for the Global Burden of Disease Study 2015
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Estimates of global, regional, and national incidence, prevalence, and mortality of HIV, 1980–2015: the Global Burden of Disease Study 2015
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