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Cognitive Decline

Updated: Apr 19, 2023

Cognitive Decline

Self-reported cognitive decline varies among racial and ethnic groups, with the lowest among Asian and Pacific Islander adults and the highest among American Indian and Alaska Native adults. Approximately 10% of American adults aged 45 and older self-reported cognitive decline between 2015 and 2020, especially among American Indian and Alaska Native adults. However, less than half of these adults discussed their concerns with their health care providers. These are the findings of a study published in the Center for Disease Control and Prevention’s Morbidity and Mortality Weekly Report. Researchers in the United States analyzed the differences in self-reported cognitive decline between various racial and ethnic groups in the United States between the years 2015 and 2020. They calculated that 9.6% of adults aged 45 and older in the US self-reported cognitive decline. Approximately 16.7% of non-Hispanic American Indian or Alaska Native adults, 11.4% of Hispanic adults, 10.1% of Black adults, 9.3% of White adults, and 5.0% of Asian or Pacific Islander adults reported that they were experiencing cognitive decline. Based on prevalence trends, Black and Hispanic adults are projected to have the largest increase in cognitive decline by 2060. Modifiable risk factors for Alzheimer disease or a related dementia (ADRD) include high blood pressure, insufficient physical activity, diabetes, obesity, depression, smoking status, and hearing loss. College education decreased prevalence of subjective cognitive decline across all racial and ethnic groups. Reference Self-Reported Cognitive Decline Higher Among Racial and Ethnic Minority Groups (

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