Individuals residing in coastal areas of the United Kingdom during middle age are at a higher risk of developing multiple chronic illnesses, including cancer, diabetes, and depression, according to a study published in BMJ Public Health. These residents are 21 percent more likely to suffer from two or more long-term health issues compared to those who relocated away from the coast.
The study, led by researchers at University College London, analyzed data from the 1958 National Child Development Study and the 1970 British Cohort Study, following participants from birth into midlife. The research examined the likelihood of participants having at least two diagnosed chronic conditions by their mid-40s or mid-50s.
While the scenic environment and potential for outdoor activities near the sea might offer some health benefits, the findings suggest these are outweighed by socioeconomic factors. The study highlights that poorer health outcomes in coastal communities are not solely attributable to coastal living itself but are a complex interplay of higher deprivation and selective migration.
Researchers found that individuals who grew up in the most deprived coastal neighborhoods were three times more likely to remain in those areas into midlife compared to those from less deprived coastal areas. Furthermore, individuals moving to coastal regions from less deprived areas in childhood often ended up in more deprived neighborhoods by midlife.
This pattern of migration means that younger generations who leave coastal towns for education or employment in larger cities often do not return. Consequently, poorer populations tend to move into these seaside communities, exacerbating existing health inequalities. The decline of traditional industries like tourism and fishing, coupled with limited local employment opportunities, has contributed to a concentration of deprivation and poor health in many English and Welsh coastal towns.
Professor Stephen Jivraj, the study's lead author, noted that the physical geography of coastal areas, such as limited transport links, can also restrict access to education and employment, a challenge not faced by inland populations. This situation is compounded by the difficulty in attracting healthcare professionals to more peripheral coastal locations.
Past reports, including one from England's chief medical officer in 2021, have also identified coastal communities as having some of the worst health outcomes in the country. These reports have pointed to factors such as an oversupply of guest housing leading to concentrations of deprivation and ill health, and a workforce that has historically relied on industries that have since declined.
The researchers are calling for targeted policies and resources to address the growing health inequalities observed in these coastal regions, emphasizing that the study did not differentiate between various types of coastal areas or the duration of residency.