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Updated: Jan 7, 2026

A Procedure to Study Stress-Induced Relapse of Heroin Seeking after Punishment-Imposed Abstinence
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Addiction-related problems in Japan: A regional perspective.

Soichiro Ide1, Yoko Nishitani2, Masahiko Sumitani3

  • 1Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan.

Addiction (Abingdon, England)
|December 31, 2025
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Summary
This summary is machine-generated.

Japan faces a unique addiction challenge: low illicit drug use contrasts with high alcohol, tobacco, and gambling harm. Recent trends show a rise in cannabis offenses, highlighting evolving drug issues alongside persistent behavioral addictions.

Keywords:
addictionalcoholcannabisgamblingjapantobacco

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Area of Science:

  • Addiction Science
  • Public Health
  • Epidemiology

Background:

  • Japan exhibits low lifetime illicit drug use but high rates of alcohol, tobacco, and gambling-related harm.
  • Historically, methamphetamine dominated drug offenses, but cannabis offenses surpassed stimulant offenses in 2023.

Purpose of the Study:

  • To review Japan's drug-related problems, covering epidemiology, social impact, policy, prevention, and treatment.
  • To analyze current addiction science trends and propose policy-research integration.

Main Methods:

  • Literature review of Japan's addiction landscape.
  • Analysis of epidemiological data and policy changes.
  • Examination of social impact and treatment infrastructure.

Main Results:

  • Illicit drug use prevalence remains below 3% in adults.
  • Heavy drinking, tobacco use, and digitalized gambling disorders impose significant disease burdens.
  • Cannabis offenses outnumbered stimulant offenses for the first time since 1958.

Conclusions:

  • Japan's addiction profile is characterized by low illicit drug use and high prevalence of legal substance and behavioral addictions.
  • The nation's approach balances strict enforcement with health-centered care, offering potential models for similar regions.
  • Integrating policy and research is crucial for addressing complex addiction challenges effectively.