Cancer rates were 68% higher for never-married men and 83% higher for never-married women compared to their married counterparts
New research published in Cancer Research Communications highlights a significant link between marital status and cancer risk, suggesting that marriage reduces the likelihood of developing the disease.
The University of Miami study analyzed 4 million cancer cases between 2015 and 2022 in the US and found:
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Cancer rates were 68% higher for never-married men and 83% higher for never-married women compared to their married counterparts.
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Unmarried men and women were also highly prone to preventable cancers caused by infections, like anal cancer and cervical cancer.
Experts attribute these trends to “microinterventions” in long-term relationships—such as encouraging healthier habits like reducing smoking and alcohol consumption, and seeking regular preventive screenings.
However, the study notes that unhealthy marriages can be harmful, while strong social networks may offer similar benefits for single individuals.
Overall, the findings suggest that supportive relationships contribute to better long-term health outcomes.