Impact of early life experiences on late life cognitive outcomes … and other research

Early life circumstances and dementiaDementia rates vary considerably between different ethnic groups. Recent research estimated that black people in the UK are 22% more likely to be diagnosed with dementia than white people. A cross-sectional study of 1634 black and 7381 white participants in a nationally representative survey of adults over 50 years old in the US looked at early life circumstances as a possible contributing factor to these differences. In the US, state sponsored school segregation led to many black students having shorter school days, shorter school years, and less access to educational resources, and was only outlawed in 1954. This study estimated that school segregation was associated with between 28.8% to 39.7% of the racial disparities in cognition, and that over 80% of the differences in cognitive impairment seen between black and white participants was associated with differences in early life circumstances.JAMA Intern Med doi:10.1001/jamainternmed.2024.1132Active surveillance for localised…
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