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Home NEWS Science News Health

Prolonged U.S. Residency Linked to Rising Heart Disease Risk Among Immigrants

Bioengineer by Bioengineer
October 2, 2025
in Health
Reading Time: 3 mins read
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Foreign-born immigrants to the United States enjoy a protective edge against cardiovascular disease (CVD) compared to their U.S.-born peers; however, this benefit steadily erodes as the length of their residence in the country increases. This phenomenon was meticulously examined in a recent study presented at the American College of Cardiology’s Middle East 2025 Conference, highlighting critical nuances in immigrant health dynamics with profound implications for public health strategies.

The underlying research utilized data from the 2011-2016 National Health and Nutrition Examination Survey (NHANES), encompassing nearly 16,000 adult participants segmented by nativity status and duration of U.S. residence. Researchers delved deep into cardiovascular risk markers—body mass index (BMI), diabetes prevalence, hypertension, hypercholesterolemia, and smoking habits—to unravel distinct risk profiles. Their analysis underscored that while foreign-born adults generally start with lower rates of risk factors such as hypertension and smoking, protracted exposure to the U.S. environment diminishes their cardiovascular health advantage.

A key revelation of the study was that foreign-born individuals residing in the U.S. for fewer than 15 years had significantly lower prevalence rates of hypertension (38.3% versus 48.5%), hypercholesterolemia (27.8% versus 30%), and smoking (12.5% versus 19.9%) when compared to their U.S.-born counterparts. Nevertheless, this protective effect was compromised after 15 years of residence, with higher rates of diabetes (15.4% versus 11.2%) and elevated cholesterol levels surfacing among these long-term immigrants. This trend points toward a concerning tidal shift in cardiovascular risk that aligns closely with acculturation processes.

The study further illuminated ethnic disparities within the foreign-born population. Non-Hispanic Asian immigrants held a uniquely high prevalence of diabetes (14.5% versus 6%), coupled with a notably lower smoking incidence (8.2% versus 12.5%) compared to U.S.-born Asians. This dichotomy suggests complex and population-specific interactions among genetic predisposition, environmental factors, and lifestyle adaptations that merit focused clinical and epidemiological attention.

The deterioration in cardiovascular health among immigrant populations is presumably multifactorial. Foremost, lifestyle acculturation emerges as a dominant driver: extended residence correlates with increased adoption of Western dietary patterns rich in processed foods, saturated fats, and sugars, alongside reduced physical activity. These diet and behavioral shifts trigger metabolic changes, precipitating elevated BMI, insulin resistance, and lipid abnormalities that collectively escalate CVD risk.

Psychosocial stressors prevalent in immigrant experiences also compound cardiovascular vulnerability. Chronic exposure to discrimination, financial instability, and precarious employment conditions generates continuous physiological stress responses that disrupt cardiovascular homeostasis. This stress load, when sustained, contributes to hypertension, impaired glucose metabolism, and systemic inflammation—core pathways underpinning cardiovascular disease.

Furthermore, the erosion of protective cultural practices is critical. Traditionally, immigrant communities often embrace diets rich in whole foods and maintain robust social support systems that facilitate physical activity and stress resilience. Prolonged detachment from these cultural anchors during assimilation leads to the loss of these salutary behaviors, accelerating risk accumulation.

Access to and utilization of healthcare services represent yet another crucial facet. Immigrants face barriers including language issues, lack of insurance, and unfamiliarity with preventive care paradigms. Such obstacles delay diagnosis and management of hypertension, diabetes, and dyslipidemia. This underutilization intensifies the burden of unchecked risk factors, thereby amplifying cardiovascular morbidity and mortality over time.

Clinical implications of the study extend beyond epidemiological observations. Health practitioners are urged to integrate duration of U.S. residence as a salient component of cardiovascular risk assessment in immigrant patients. Recognizing that immigrant status is not static but dynamically evolves with time underscores the necessity for early screening, culturally competent counseling, and targeted preventive interventions to curb the progression of disease.

The findings resonate strongly with public health policymakers aiming to bridge health equity gaps. Tailored programs that promote retention of protective dietary and lifestyle practices, mitigate acculturative stress, and facilitate healthcare access are vital. Amplifying community-based approaches and culturally aligned educational campaigns may effectively sustain the initial cardiovascular advantage observed among recent immigrants.

In conclusion, the cardiovascular health profile among foreign-born U.S. residents is a shifting landscape heavily shaped by the interplay of acculturation, socioeconomic stressors, cultural transformations, and systemic healthcare barriers. While immigrants initially exhibit lower CVD risk, these advantages are transient and wane with prolonged U.S. residence. An intelligent, nuanced approach blending clinical vigilance with culturally sensitive preventive measures is essential to preserve and enhance cardiovascular outcomes within this diverse demographic.

This study sheds new light on the complexity of immigrant health transitions and the urgent need to refine public health strategies and clinical guidelines to address evolving cardiovascular risk. By proactively addressing the modifiable determinants that erode immigrant heart health, the medical community can help sustain the vitality and well-being of a population integral to the social and economic fabric of the United States.

Subject of Research: Cardiovascular Disease Risk and Immigrant Health
Article Title: Declining Cardiovascular Health Advantage Among Foreign-Born Immigrants in the U.S. with Longer Residency
News Publication Date: Not specified
Web References: https://www.acc.org/Education-and-Meetings/Meetings/Meeting-Items/2024/07/03/2025-Middle-East
Keywords: Cardiovascular disease, immigrant health, acculturation, diabetes, hypertension, hypercholesterolemia, risk factors, health equity, public health interventions, lifestyle changes

Tags: cardiovascular disease risk factorseffects of U.S. residency on healthforeign-born residents and chronic diseasehypertension among immigrantsimmigrant cardiovascular health advantagesimmigrant health disparitiesimmigrant integration and health riskslong-term immigrant health outcomesNational Health and Nutrition Examination Survey findingsobesity and cardiovascular healthpublic health implications for immigrantssmoking rates in immigrant populations

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