Science, Space and Technology News 2024
Recent research indicates that people who engage in mentally challenging jobs during their midlife are less likely to develop mild cognitive impairment and dementia after 70, highlighting the importance of cognitive stimulation throughout one’s career., the Columbia Aging Center, and the Norwegian Institute of Public Health found that individuals who engaged in mentally stimulating jobs during their 30s to 60s were less likely to develop mild cognitive impairment and dementia after turning 70.
The researchers collected data from the Norwegian administrative registry and coupled it with occupational attributes of more than 300 jobs from the Occupational Information Network database17 of the U.S. Department of Labor, Employment & Training Administration. Routine task intensity index was computed as a measure of occupational cognitive demands based on measures from O*NET. A lower RTI index indicates more cognitively demanding occupations.
“Education confounded most, but not all, of the association between occupational cognitive demands and MCI and dementia, suggesting that both education and occupational complexity matter for MCI and dementia risk,” says Edwin. It is important to note that this study identifies associations rather than direct causation of dementia. Moreover, the study did not distinguish between different cognitive requirements within the same occupational category, nor did it consider the evolution of job responsibilities over the years.
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