medRxiv PreprintsInternational10 November 2026
Trends in Gambling-Related Primary Care Encounters in Brazil, 2014-2025
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The rapid expansion of online gambling and sports betting has raised concerns about gambling-related harm and its implications for public health. However, nationwide evidence regarding temporal trends and patterns of health care utilization associated with gambling remains limited, particularly in low- and middle-income countries. We conducted a nationwide retrospective study using administrative data from Brazil's Unified Health System from 2014 through 2025. We examined primary health care records associated with pathological gambling (ICD-10, code F63.0) and gambling and betting (code Z72.6
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