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Joseph Friedman, MD, PhD, MPH @josephrfriedman.bsky.social · 06/07/2026

"Epidemiological invisibilisation: a man overdoses in Tijuana" - in @thelancet.com Our case study highlighting overdose and addiction trajectories in Mexico that begin in the United States, and remain invisible in formal statistics www.thelancet.com/journals/lan...

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Joseph Friedman, MD, PhD, MPH @josephrfriedman.bsky.social · 17/06/2026

We estimate the average person using illicit fentanyl in Los Angeles consumes almost 9,000 MME per day. Drug checking opens the black box to illustrate why MOUD initiation, overdose risk, and withdrawal look different in the fentanyl era. @morgangodvin.bsky.social doi.org/10.1016/j.dr...

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Joseph Friedman, MD, PhD, MPH @josephrfriedman.bsky.social · 03/06/2026

Out now in @addictionjournal.bsky.social We find that the 4th wave of the overdose crisis (fentanyl plus stimulants) declined for the first time in 2024, but deaths involving stimulants, deaths involving xylazine, and racial disparities rise in importance onlinelibrary.wiley.com/doi/10.1111/...

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Reposted by Joseph Friedman, MD, PhD, MPH

International Journal of Drug Policy @ijdrugpolicy.bsky.social · 26/05/2026

“US overdose mortality saw first drop below the Jalal-Burke exponential growth curve in 2024” by @josephrfriedman.bsky.social and colleagues (2026) via @ijdrugpolicy.bsky.social what factors most contributed to the 2024 overdose mortality decline? Link: www.sciencedirect.com/science/arti...

sciencedirect.com

US overdose mortality saw first drop below the Jalal-Burke exponential growth curve in 2024

Between 1979 and 2016, US overdose death rates rose in a smooth fashion, described by Jalal and Burke using an exponential growth curve that fit obser…

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Joseph Friedman, MD, PhD, MPH @josephrfriedman.bsky.social · 20/05/2026

Out now in @ijdrugpolicy.bsky.social "US overdose mortality saw first drop below the Jalal-Burke exponential growth curve in 2024" @superbug-slayer.bsky.social @dan-ciccarone.bsky.social @ucsdhealthsci.bsky.social Open access: kwnsfk27.r.eu-west-1.awstrack.me/L0/https:%2F...

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Joseph Friedman, MD, PhD, MPH @josephrfriedman.bsky.social · 24/04/2026

Counterfeit pills confer unique risk by expanding who is vulnerable to fentanyl and synthetic drug overdose. Many consumers who would never try fentanyl powder may be willing to take a tablet they believe to contain oxycodone or alprazolam. Full talk: youtu.be/JRcWrhyNgrc?...

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