Cardiovascular disease (CVD) remains the leading cause of mortality among women in the United States, claiming the lives of over 400,000 women annually. This stark reality underscores the urgent imperative to delineate risk factors that disproportionately impact women. Among these risk factors, chronic stress and stress-related psychiatric conditions such as anxiety, depression, and post-traumatic stress disorder (PTSD) have drawn increasing attention for their profound effects on cardiovascular health. Women experience these disorders at higher rates compared to men, yet the mechanisms linking mental health and cardiovascular risk in women remain incompletely understood.

The widespread use of hormonal contraceptives—by approximately 9.1 million women in the U.S.—adds another layer of complexity. These contraceptives function by modulating endogenous hormone levels, suppressing natural estradiol and progesterone production, but their broader systemic effects, particularly in the context of psychological stress, have remained underexplored. Historically, research on hormonal contraception has largely excluded women with significant psychiatric comorbidities, focusing instead on young, generally healthy populations, thus limiting clinical guidance for women managing both hormone use and mental health challenges.

Bridging this critical knowledge gap, Dr. Jordan Thomas and colleagues undertook an expansive analysis utilizing healthcare records from 31,824 women enrolled in the Mass General Brigham Biobank, a rich repository of longitudinal health data. By cross-referencing diagnostic codes for stress-related disorders, major adverse cardiovascular events (MACE), deep-vein thrombosis, and prescriptions for hormonal contraceptives, the team delineated patterns of cardiovascular risk stratified by mental health status and hormone use.

Their findings reveal a striking dichotomy: in women with anxiety or depression, hormonal contraceptive use was correlated with a reduced risk of major adverse cardiovascular events. This counterintuitive protective association contrasts with the prevailing assumption that hormonal manipulation might exacerbate cardiovascular risk. However, this protective effect was absent in women diagnosed with PTSD, suggesting a potentially differential pathophysiological response linked to this severe stress disorder. These preliminary results raise provocative questions about the mechanisms by which psychological stress modulates hormonal effects on cardiovascular function.

The absence of a protective effect in women with PTSD implicates complex neuroendocrine and immunological pathways, given PTSD’s association with heightened sympathetic nervous system activity, chronic inflammation, and endothelial dysfunction—all contributory factors to cardiovascular pathology. Hormonal contraceptives, by altering estrogen and progesterone levels, may interact with these stress-induced physiological disturbances, modulating cardiovascular risk in ways that warrant further clarification.

Implications for clinical practice are profound. The findings suggest that assessment of psychiatric history, particularly PTSD, could become integral to contraceptive counseling and cardiovascular risk stratification in women. If substantiated through future research, this evidence could guide personalized medicine approaches, optimizing contraceptive choice in the context of mental health to mitigate avoidable cardiovascular events.

Looking forward, Dr. Seligowski’s team envisions a clinical study designed to collect prospective physiological data on the impact of specific hormonal contraceptive formulations on cardiovascular risk markers, including blood pressure regulation, vascular endothelial function, and biomarkers of coagulation—a key determinant of thrombotic risk. This longitudinal study aims to dissect how these parameters differ among women with and without stress-related psychiatric disorders, with participants undergoing annual follow-ups to monitor emergent clinical events such as thrombotic episodes.

Such research endeavors have the potential to unravel the biological substrates driving the observed epidemiological trends and to translate these insights into actionable clinical strategies. By integrating psychiatric evaluation with cardiovascular risk assessment and hormonal management, healthcare providers may in the future avert a significant fraction of female cardiovascular morbidity and mortality currently unaddressed by conventional paradigms.

This pioneering investigation represents a pivotal advancement in the domain of sex-specific medicine, emphasizing the imperative to consider psychological stressors as modulators of cardiovascular risk, particularly in the context of pharmaceutical hormone exposure. As the field moves towards precision medicine, understanding the interdependence of mental health and endocrine influences on cardiac outcomes will be critical to enhancing healthspan and quality of life for women.

Authorship of this study included key contributors from Mass General Brigham—Robyn Ellis, Shady Abohashem, Anahita Dua, Emily Lau, Karen Miller, Rachel Rosovsky, Ahmed Tawakol, and Michael Osborne—reflecting a multidisciplinary collaboration harnessing expertise across psychiatry, cardiovascular medicine, and epidemiology. Disclosure statements note industry relationships for some authors, emphasizing transparency in potential conflicts of interest.

Published in the prestigious journal JAMA Network Open, this research stands as a significant call to action for both the scientific community and clinicians alike. Its findings illuminate the intricate connections between psychiatric health, hormonal regulation, and cardiovascular disease, charting a promising course for future inquiry and intervention strategies aimed at reducing the disproportionate burden of cardiovascular disease among women.

Subject of Research: The investigation focused on the intersection of hormonal contraceptive use, stress-related psychiatric disorders, and their combined influence on cardiovascular and thrombotic risk in women.

Article Title: Hormonal contraceptive use, stress disorders, and cardiovascular and thrombotic risk in women

News Publication Date: 2-Jan-2026

Web References:
DOI link: http://dx.doi.org/10.1001/jamanetworkopen.2025.51878

Keywords: Clinical medicine, cardiovascular disease, hormonal contraception, stress disorders, PTSD, anxiety, depression, thrombosis, women’s health, neurocardiology, precision medicine

Stalking, often dismissed as a non-physical form of violence, emerges from this research as a potent and chronic stressor with serious physiological consequences. The study’s lead author, Dr. Rebecca B. Lawn, underscores the importance of expanding cardiovascular risk assessment frameworks beyond traditional factors to include underexplored trauma-related exposures. The work challenges prevailing clinical practices by highlighting how psychological and emotional stressors—specifically those related to intimate partner violence and stalking—may catalyze long-term vascular pathology.

Data were drawn from over 66,000 female registered nurses, predominantly non-Hispanic white, aged between 36 and 56 at the beginning of the study in 2001. None exhibited cardiovascular disease at baseline, enabling a clear prospective evaluation of new-onset events correlated with self-reported histories of stalking and securing restraining orders. Around 12% disclosed past stalking experiences, and roughly 6% reported having legally restricted contact through restraining orders, markers considered indicative of severe interpersonal violence.

Strikingly, the analysis quantified a 41% increase in the likelihood of cardiovascular disease among those reporting stalking victimization, while women who obtained restraining orders showed an even more pronounced 70% increase in risk. These associations persisted after adjustment for a comprehensive array of confounding risk factors, including lifestyle behaviors, medical comorbidities, psychological conditions such as depression, and even childhood abuse histories. Such resilience of effect underscores a robust link that transcends conventional cardiovascular risk paradigms.

The biological underpinnings of this relationship appear to be multifactorial and complex. Central to the hypothesis is the concept of chronic psychological distress precipitated by stalking, which may induce dysregulation of the autonomic nervous system. This disruption could impair endothelial function, promote inflammatory pathways, and disturb neurohormonal balance, all pivotal contributors to atherogenesis and thrombosis. Although this study did not delve into mechanistic experimentation, it lays an important foundation for future work to unravel these physiological cascades in detail.

The clinical implications are profound, given that stalking and violence against women are frequently overlooked in healthcare settings as silent contributors to cardiometabolic disease. Dr. Lawn emphasizes that stalking’s chronicity and invasive nature, involving unsolicited contact and a pervasive sense of fear, may compel victims to enact life-altering behavioral changes such as relocation—factors that can magnify stress and compound health risks. Yet, despite its insidious impact, stalking remains rarely measured or addressed as a cardiovascular risk factor in routine medical evaluations.

Expert commentary from Dr. Harmony R. Reynolds, a cardiologist specializing in women’s health and stroke, further contextualizes the significance of the findings. Dr. Reynolds notes that while psychosocial stressors have long been acknowledged as contributors to heart disease, this study’s demonstration of a long-term prospective effect specifically linking stalking and cardiovascular outcomes is novel and somewhat unexpected. She highlights the importance of social support networks in buffering stress, signifying potential avenues for intervention.

The research also prompts a broader reevaluation of how intimate partner violence and related forms of trauma intersect with cardiovascular health. Prior studies have identified associations between sexual assault, workplace harassment, and elevated hypertension risk in women. Adding stalking into this continuum expands the spectrum of violence-related health determinants that merit clinical and public health attention. It points to an urgent need for healthcare providers to incorporate trauma-informed approaches when assessing cardiovascular risks, particularly in female patients.

Despite its strengths, including a large sample size and comprehensive follow-up period, the study acknowledges certain limitations. The cohort’s lack of racial and socioeconomic diversity raises questions about generalizability to populations disproportionately impacted by violence. Additionally, reliance on self-reported data for stalking and restraining orders introduces the potential for underreporting or misclassification bias. The nuanced experiences of diverse racial and ethnic groups, as well as low-income populations, warrant further dedicated investigation.

Going forward, the research team advocates for enhanced training for healthcare professionals to recognize and address violence as a modifiable determinant of cardiovascular health. They stress the necessity of raising public awareness about the cardiovascular consequences of stalking and related abuse. Comprehensive support services and interventions aimed at mitigating psychological trauma may serve a dual purpose in improving both mental health and cardiovascular outcomes in vulnerable women.

This study represents a critical step in bridging gaps between social determinants of health, psychological well-being, and cardiovascular disease—a triad often siloed in clinical practice and research. By illuminating stalking as not merely a criminal justice issue but a potent cardiovascular risk factor, the findings call for an interdisciplinary response uniting cardiology, mental health, and social services to holistically support women’s health across the lifespan.

Ultimately, as heart disease remains the leading cause of death worldwide, this research imposes a new imperative for clinicians and policymakers alike: to recognize the hidden cardiovascular toll of interpersonal violence and integrate this understanding into prevention, screening, and treatment strategies. The Nurses’ Health Study II cohort offers compelling evidence that the scars of stalking and legal attempts at protection are not solely psychological but cascade into tangible, life-threatening physical health effects over decades.

Subject of Research: The association between experiences of stalking or obtaining restraining orders and the onset of cardiovascular events in women.

Article Title: Experiences of Stalking and Obtaining a Restraining Order Are Associated With Onset of Cardiovascular Events in Women: A Prospective Analysis in the Nurses’ Health Study II

News Publication Date: August 11, 2025

Web References:

• American Heart Association Circulation Journal
• Manuscript DOI link