Job complexity protects against cognitive decline

People who have complex interactions with data and with other people in their professional life are more likely to preserve their cognitive abilities, even years after retirement, according to research published in the journal Neurology.

The Scottish study looked at over a thousand people born in 1936, whose IQ had been recorded at the age of 11. Aged 70 at the time of the study, the participants were put through tests for memory, processing speed and general ability and their job titles scored for complexity.

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