Experts have found out which of the workers has a greater risk of dementia

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Decade working in low-wage jobs can have serious health consequences. Scientists from Columbia University in New York found that people with low-wage jobs are more likely to experience cognitive impairment – a predictor of dementia.

Researchers took into account the incomes of nearly 2,900 American adults aged 50 to 60. They also looked at how their brains age over time.

It turned out that people who were paid less than two-thirds of the average salary had faster memory loss than their peers with higher salaries. In numbers, people who had little income over 12 years had a 10% greater decline in cognitive function than those who received higher wages. Experts estimate that this is equivalent to aging their brains by about one extra year over a decade.

Among such low-paying occupations, the paper cited entry-level janitors, fast-food workers and teaching assistants.

Decreases of cognitive functions causes deterioration of memory, language and problem-solving skills. In neglected cases, it can lead to dementia.