New Zealand
People with mental disorders are at higher risk of developing dementia, finds a massive longitudinal study which looked at the health data of a third of New Zealand's population over three decades. The increased risk is stronger for mental disorders than physical diseases, and on par with the strongest risk factor gene for Alzheimer's disease – the APOE4 allele. The researchers say this suggests treating mental disorders early in life might help prevent later cognitive decline.
From:
Association of Mental Disorders With Dementia
What The Study Did: Researchers examined whether mental disorders were associated with the onset of dementia in this study of 1.7 million New Zealand citizens across three decades of observation.
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