Study Links Marriage to Lower Cancer Risk in Observational Data

A study published on Wednesday in the journal Cancer Research Communications examined the association between marital status and cancer incidence. The observational study analyzed data from older adults and found that never-married men had cancer rates 68% higher than those who had been married, including individuals who were divorced or widowed.

For never-married women, the rates were 83% higher.

The study suggests that the protective effect of marriage may accumulate over time, with the correlation strengthening among older participants. Lead author Dr. Paulo S. Pinheiro, an epidemiologist at the University of Miami Health System, noted that for some cancers like endometrial and ovarian, the trend could relate to reproductive factors, as women who have never given birth face higher risks.

When data was analyzed by race and ethnicity, Black men showed the strongest association between marriage and lower cancer rates.

pointed to several factors that may explain the link.

Married individuals often have better access to health care and social support, which could encourage screening and prevention. The study also found lower rates of lung and cervical cancers among married people, cancers associated with behaviors such as smoking, drinking, and promiscuity. Dr.

Brad Wilcox, a professor at the University of Virginia who was not involved in the research, commented on the findings. " — Dr. Brad Wilcox (Cnn) This contrasts with prior research indicating that men generally benefit more from marriage in heterosexual relationships.

rates have declined in recent decades, according to Dr.

Andrew J. Cherlin, a professor emeritus at Johns Hopkins University who studies family sociology. Cherlin noted that marriage was once nearly universal but now divides society into groups with varying health outcomes.

The study adds to existing research linking marriage to improved health, though causation remains unclear: healthier people may be more likely to marry, or marriage itself may confer benefits. Dr. Joan DelFattore, who has written on cancer and marital status, raised concerns about systemic factors.

She argued that benefits attributed to marriage often stem from policies like spousal health insurance coverage, which exclude unmarried partners. DelFattore, diagnosed with stage IV gallbladder cancer 15 years ago, described how such biases in research and medical training can lead to oversimplified conclusions. Dr.

Jarrod A. Carrol, a geriatrician at Kaiser Permanente in Southern California not involved in the study, discussed the findings for Black men. He attributed the benefits to support from spouses, particularly in encouraging early treatment and evaluation.

The research underscores ongoing debates about social determinants of health and the role of marital status in disease prevention. Future studies could explore these associations further, potentially adjusting for confounding variables like socioeconomic status.

Policymakers and health organizations may consider how support systems for unmarried individuals could address disparities in cancer outcomes.

The findings highlight the need for comprehensive approaches to cancer prevention beyond marital status.