People with mentally stimulating jobs have a lower risk of dementia in old age than those with non-stimulating jobs, finds a study published by The BMJ today.
One possible explanation is that mental stimulation is linked to lower levels of certain proteins that may prevent brain cells forming new connections (processes called axonogenesis and synaptogenesis).
Cognitive stimulation is assumed to prevent or postpone the onset of dementia. But trial results have varied and most recent long term studies have suggested that leisure time cognitive activity does not reduce risk of dementia.
Exposure to cognitive stimulation at work…
