US teens underestimate risks of fentanyl use, survey finds
U.S. teens are seriously underestimating how lethal the synthetic opioid fentanyl can be, a new study says.
Jul 8, 2026
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Polycyclic Compounds: News and Research on Heroin
MeSH tree: D04.615.723.795.576.445
U.S. overdose deaths dropped in 2024 amid uneven progress, study finds
Researchers from the University of California San Diego have found that U.S. overdose death rates declined dramatically between 2023 and 2024, marking the first recorded drop in all four waves of the nation's overdose crisis. ...
Jun 2, 2026
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Historical trends in U.S. heroin use: Initiation after 2000 differs from earlier patterns
The production, distribution, and consumption of illegal opioids create problems for public health and safety in many countries. Overdose rates are particularly high in Canada and the United States, which experienced three ...
Feb 24, 2026
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US overdose deaths fell through most of 2025, federal data reveals
U.S. overdose deaths fell through most of last year, suggesting a lasting improvement in an epidemic that had been worsening for decades.
Jan 14, 2026
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A new index challenges common beliefs about drug use and harm in NZ
New Zealand's mainstay drug law turned 50 this year—yet we still don't have a clear, comprehensive picture of the social harms different drugs pose.
Nov 20, 2025
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Opioid-related deaths in past decade 55% higher than recorded
Deaths following opioid use in England and Wales have nearly doubled in the last decade, with 22.9 deaths per million people in 2012, and 43.8 deaths per million people in 2023. But the true number is likely higher because ...
Sep 16, 2025
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Americans' use of illicit opioids is higher than previously reported, survey finds
More Americans use illicit opioids such as fentanyl than previously estimated, highlighting the need for better methods to understand the depths of the opioid crisis, according to a new study.
May 9, 2025
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Machine learning brings new insights to astrocytes' role in heroin addiction and relapse
Object recognition software is used by law enforcement to help identify suspects, by self-driving cars to navigate roadways and by many consumers to unlock their cell phones or pay for their morning coffee.
Apr 30, 2025
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Epicenter of US opioid epidemic shifts from Northwest to East with drug preferences
The heart of the opioid epidemic that killed 665,341 people in the United States between 2005 and 2020 shifted geographically from the Northwest to the East, according to a new geographical analysis.
Apr 10, 2025
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Heroin found in cocaine and 'ice,' and snorting a line can be lethal
Authorities in New South Wales and Victoria have been warning the public about worrying cases of heroin overdoses after people thought they had taken cocaine or methamphetamine.
Apr 5, 2025
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