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Inflammatory Bowel Disease Burden Rises in East Asia, Researchers Warn

Strategic Insights

— 1 min read

Researchers from the Affiliated Hospital of Guizhou Medical University in Guiyang, People's Republic of China, have issued a warning about the growing burden of inflammatory bowel disease (IBD) in East Asia, citing rapid socioeconomic development, lifestyle changes, and dietary patterns as contributing factors. According to the study, which analyzed data from the Global Burden of Disease Study 2021 (GBD 2021), the incidence and prevalence of IBD are on the rise in the region, with China and South Korea experiencing the most rapid increases.

Key Takeaways:

  • The burden of IBD in East Asia has increased significantly since 1990, with China and South Korea experiencing the most rapid growth in incidence and prevalence.
  • Japan has a stabilizing disease burden, with a continuing decline in standardized mortality rates, likely due to its advanced healthcare system.
  • North Korea and Mongolia currently have a relatively low overall burden, but there is a notable rise in incidence among young Mongolians, suggesting an emerging risk of early-onset IBD.
  • The study proposes tailored prevention strategies, including optimizing geriatric care systems in high-standard of living countries, enhancing preventive interventions for adolescents in medium-standard of living countries, and establishing primary screening networks in low-standard of living countries.
  • The research suggests complex influences from environmental factors, healthcare resource allocation, and lifestyle changes, such as Westernized diets, contributing to the growth of IBD in the region.

Statistics:

  • The incidence of IBD in China increased by 43.1% from 1990 to 2021, while the prevalence increased by 21.4% during the same period.
  • In South Korea, the incidence of IBD increased by 31.9% and the prevalence by 14.5% between 1990 and 2021.
  • Japan saw a increase in incidence by 9.3% and an increase in prevalence of 4.5% from 1990 to 2021.
  • North Korea and Mongolia experienced an increase in incidence of 10.3% and 12.2%, and an increase in prevalence of 5.1% and 4.8%, respectively, between 1990 and 2021.

Sources:

  • The burden of inflammatory bowel disease in five East Asian countries an analysis based on the global burden of disease study 1990-2021 (The BMC Gastroenterology, 2025;25(1):714)
  • BMC Gastroenterology (Bmc, Campus, 4 Crinan St, London N1 9XW, England)
  • The Global Burden of Disease Study 2021 (GBD 2021)

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