Thursday, January 29, 2026

Are generations ageing much less healthily over time? Multimorbidity traits in Catalonia, Spain – IJEblog


Iñaki Permanyer, Jordi Gumà-Lao, Sergi Trias-Llimós and Aïda Solé-Auró

Multimorbidity – the place somebody has two or extra continual well being circumstances on the similar time – is a rising problem going through well being care methods, notably in international locations with low mortality charges. Though a lot is thought about multimorbidity, essential questions stay unanswered. Is it occurring extra usually simply because persons are dwelling longer? What are the patterns of illness onset throughout totally different generations? Are some generations getting a number of continual illnesses extra quickly than others?

In an more and more long-lived inhabitants, it’s important for anticipating future pressures on well being methods to evaluate whether or not enhancements in survival prospects are accompanied by declines in sickness, or whether or not these positive aspects in longevity are coming at the price of extra illness and infirmity and better care wants.

In our research just lately printed within the Worldwide Journal of Epidemiology, we assessed the tempo at which individuals of various generations developed multimorbidity in Catalonia – a area in northeastern Spain with one of many highest life expectations on the planet. We checked out teams of Catalan folks born in several a long time and the charges at which they developed multimorbidity between 2010 and 2021.

The info utilized in our research come from the HEALIN cohort, a big consultant inhabitants pattern from the Catalan Division of Well being, which has collected data on normal practitioner diagnoses for greater than 1.5 million folks (over 20% of your entire inhabitants of Catalonia) since 2005.

We discovered that youthful generations tended to develop extra continual circumstances than their predecessors did on the similar age. As an example, by age 25, 1 / 4 of Catalan girls born between 1980 and 1989 had been identified with not less than two continual circumstances, whereas on the similar age this was true for 37% of girls born a decade later (between 1990 and 1999). This sample was constant throughout all ages and start cohorts (see determine under), indicating an total shift towards earlier improvement of a number of continual circumstances in youthful generations. We additionally discovered that whereas folks within the older cohorts had been principally affected by degenerative or different bodily illnesses, these from youthful generations had been extra more likely to expertise psychological well being issues.

Graph showing consistent trends in rate of multimorbidity for women and men of different birth cohorts in the study
Tendencies in price of multimorbidity (%) at totally different ages throughout Catalan start cohorts, 2010–2021

This sample has additionally been seen in different international locations, like america, the UK and European international locations. It has been known as the “generational well being drift” and is a matter of concern for modern-day societies that hope to realize wholesome longevity. Nevertheless, little is thought concerning the social and organic elements that could be stopping youthful age teams from reaching their well being potential.

There are a number of doable causes for this sample. On one hand, well being outcomes could be getting worse for some inhabitants subgroups, like migrants or folks of low socioeconomic standing. Certainly, we discovered that folks with low incomes have increased charges of multimorbidity than these with increased incomes. Alternatively, medical doctors could be tending in the direction of overdiagnosis, presumably fuelled by technological advances, like imaging methods. Well being-seeking behaviour may additionally have modified over time, making folks extra more likely to see a health care provider when they’re having early or solely gentle signs.

Regardless of the causes, this generational well being drift means that calls for on public well being care could enhance, particularly amongst youthful generations. Understanding the chance elements for better accumulation of illnesses ought to be a spotlight of analysis, to assist discover efficient methods to delay or stop multimorbidity and to sluggish its development in the direction of extra extreme phases and demise.


Learn extra:

Permanyer I, Gumà J, Trias-Llimós S, Solé-Auró A. Multimorbidity traits in Catalonia, 2010-2021: a population-based cohort research. Int J Epidemiol 2026; 55: dyaf218. doi: 10.1093/ije/dyaf218.

Acknowledgement

This work was supported by the European Analysis Council (ERC) in relation to the analysis program ‘Wholesome lifespan inequality: measurement, traits and determinants’, beneath grant no. 864616, and the Spanish Ministry of Science and Innovation R+D LONGHEALTH undertaking (grant PID2021-128892OB-I00).

Iñaki Permanyer is an ICREA Analysis Professor on the Centre for Demographic Research (CED) within the Autonomous College of Barcelona. He’s Head of the Well being and Getting older Unit at CED and the PI of HEALIN, an ERC Consolidator Grant undertaking (2020–2025). His analysis focuses on the research of inhabitants well being metrics and well being inequalities.

Jordi Gumà-Lao is a Ramón y Cajal Fellow at CED within the Autonomous College of Barcelona. His analysis is grounded within the fields of sociology of well being and inhabitants research, with a deal with gender views.

Sergi Trias-Llimós is a Ramón y Cajal Fellow and Tenure-Observe Assistant Professor within the Division of Political and Social Sciences at Universitat Pompeu Fabra (Barcelona). His analysis focuses on inhabitants well being, with emphasis on inequalities in lifestyle-related well being outcomes and on underlying and a number of causes of demise.

Aïda Solé-Auró is an Affiliate Professor within the Division of Political and Social Sciences at Universitat Pompeu Fabra and a member of the DemoSoc analysis group. Her analysis sits on the intersection of demographic change and well being inequality, with a deal with understanding the implications of those dynamics for people’ wellbeing.

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