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September 14, 2021 Tuesday 08:19:33 AM IST

Cognitive Stimulation Lowers Dementia Risk

A study by researchers at UCL, London has shown that people performing mentally stimulating jobs are at lower risk of dementia at old age compared to those with non-stimulating jobs. Cognitive stimulation is linked to lower levels of certain proteins that may prevent brain cells forming new connections. The findings are based on analysis of seven large cohort studies from UK, Europe and US to assess links between work related factors and chronic diseases, disability and mortality. Cognitive stimulation was also associated with lower levels of three proteins linked to both cognitive stimulation in adulthood and dementia, providing possible clues to underlying biological mechanisms. Cognitively stimulating “active” jobs include demanding tasks and high job decision latitude (also known as job control), while non-stimulating “passive” jobs are those with low demands and lack of job control.

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