Lancet study says mental disorders are now the leading global cause of years lived with disability
The Facts
- A study published in The Lancet reported that nearly 1.2 billion people worldwide were living with a mental disorder in 2023.
- The study found the global number of people living with mental disorders has roughly doubled since 1990.
- According to the study, mental disorders are now the leading global cause of years lived with disability, accounting for more than 17% of disability worldwide.
- Anxiety disorders and depressive disorders were identified as the main contributors to the increase and were among the most common mental disorders in 2023.
- The study reported that the highest mental disorder burden was among adolescents ages 15 to 19 and among women across age groups.
- Researchers analyzed trends in 12 mental disorders across 204 countries and territories from 1990 to 2023.
- Coverage of the study says the rise does not appear to be explained by a single factor; cited contributors include improved detection as well as social stresses such as poverty, conflict, disasters and the Covid-19 pandemic.
How left and right are reading this
- Both agree
- Mental disorders now represent a vast, worsening global disability burden, driven especially by anxiety and depression and not reducible to any single cause, a premise both framings treat as requiring a serious response rather than a narrow explanation.
- They split on
- Less a disagreement than a question of emphasis: the unequal burden falling hardest on adolescents and women amid poverty, conflict, disasters and Covid-19, versus the limits of attributing the rise to one driver or expecting any single response to solve it.
Context
What measure did the study use to compare mental disorders with other health problems?
The study focused on years lived with disability, a measure used in the Global Burden of Disease project to compare how much non-fatal illness limits health across conditions. On that measure, mental disorders ranked first globally in 2023 EurekAlert!,El Confidencial.
Who was reported as most affected?
The study found the highest burden among people ages 15 to 19 and among women overall, with anxiety and depression helping drive those patterns EurekAlert!,EL PAÍS,Público.es.
Does the reporting say why case numbers have risen so much since 1990?
Sources describing the study say the increase likely reflects a mix of factors rather than one clear cause. They cite improved detection and diagnosis, along with pressures such as poverty, war or conflict, natural disasters and the continuing mental health effects of the Covid-19 pandemic EL PAÍS,India Today,CNN.
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