Although unmarried people have a higher possibility of developing dementia, the risk has been lower in recent years.
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“Dementia could be related to other underlying cognitive or personality traits meaning that in societies where marriage was the social norm, people with difficulties in flexibility of thought or communication...may be less likely to marry,” the authors said. “Remaining unmarried has become more common, and it may be that single people born in the latter half of the 20th century have fewer unusual cognitive and personality characteristics.”
Researchers are now looking forward to further investigations about the link between marital status and dementia and methods of intervention.
“It should, in particular, evaluate the contribution of social contact and health behaviour,” they said, “use studies with sufficient follow-up to allow exploration of premarriage cognitive characteristics; and use cohort studies with sufficient detail on the duration of marriage, widowhood or divorce to allow the exploration of a dose–response effect.”
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