Background: Substance use disorders (SUDs) play a major role in global preventable disability and mortality. Even though they impact patients of all ages, adolescents and young adults (AYAs) are at increased risk of substance use at a later age. We aim to assess the burden of SUDs and alcohol-related harms in AYAs.
Methods: This study employed the Global Burden of Disease Study 2019 data. We assessed the prevalence, incidence, years of life lost, years of living with disability, and disability-adjusted life years (DALYs) of SUDs, alcohol use disorder (AUD), and alcohol-related burden in AYAs (10-24 years).
Results: Among multiple SUDs, AUD had the highest prevalence (13.31 million), followed by cannabis use disorder (10.69 million) and opioid use disorder (4.27 million). From 2010-2019, while many SUDs saw a decrease in prevalence and incidence rates, opioid use disorder experienced increases across prevalence and incidence rates. Geographically, Europe and the Americas recorded the highest SUD burden. Higher Socio-demographic Index (SDI) levels correlated with increased SUD burden. Females showed a lower burden from SUDs and related health issues compared to males. The distribution of DALYs relative to prevalence varied across different SUDs and SDIs. The largest mortality caused by alcohol use were road injuries, interpersonal violence, and self-harm.
Conclusion: The worldwide burden of SUDs, particularly AUD, cannabis use disorder, opioid use disorder, and alcohol-induced harms (particularly injuries) among AYAs, is significant. Addressing this issue urgently requires the implementation of effective policies targeting SUDs.
Keywords: Addiction; Alcohol; Epidemiology; Substance use.
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