(CNN) - Dream jobs can be hard to come by, but conventional wisdom says that having a job is better than not having one at all.
That's not necessarily true according to a new study from the United Kingdom.
Researchers at the University of Manchester looked at information from more than 1,100 people between ages 35 to 75. They found that people who went from being unemployed to working a poor-quality job had higher biological indicators of stress than those who remained unemployed.
The study said those biological indicators are significant because they predict and individual's risk for developing metabolic or cardiovascular-related diseases.
Researchers also found that workers who did not have flexible schedules tend to have more biological stress indicators.
The study came to the conclusion that there was no mental health improvement when people moved from unemployment to a poor-quality job. One of the study's co-authors said more research is needed, and he'd like to examine job flexibility's impact on the work force.
The study was published in the international journal of epidemiology.
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