Summary: Researchers have identified links between blood pressure, depressive symptoms, emotional brain activity, and the later development of hypertension.
Source: Max Planck Institute
Our mental health and cardiovascular system are closely connected.
A recent large-scale study from the Max Planck Institute for Human Cognitive and Brain Sciences (MPI CBS) in Leipzig examined how mental health relates to blood pressure and the risk of developing hypertension. Using extensive psychological assessments, medical records, and brain imaging from an elderly population, the researchers explored these relationships in unprecedented detail.
Previous research has reported mixed or contradictory findings on the relationship between mental health and high blood pressure. To address these inconsistencies, the MPI CBS team analyzed data from the UK Biobank, leveraging a very large sample size of more than 500,000 participants to provide statistically robust insights.
The study found a surprising set of associations. Higher systolic blood pressure was linked to fewer depressive symptoms, greater subjective well-being, and lower activity in brain regions involved in emotion processing. At first glance, these findings seem counterintuitive, but the authors show how other observations reconcile this pattern.
Importantly, the risk of developing hypertension was associated with poorer mental health years before an official hypertension diagnosis. In other words, while temporarily elevated blood pressure may coincide with better mood and less emotional reactivity in some individuals, the longer-term trajectory toward sustained hypertension appears to begin alongside declines in mental health.
Arno Villringer, head of the Department of Neurology at MPI CBS and the study’s senior author, notes clinical relevance: patients who feel tired, fatigued, or emotionally low often struggle with medication adherence for elevated blood pressure because treatment can further affect mood. This interaction between mood and medication behavior may worsen cardiovascular outcomes over time.
The researchers also propose a complementary mechanism that could explain how temporarily elevated blood pressure and improved mood might contribute to developing hypertension in the long term. Higher blood pressure raises pain thresholds—not only for physical pain but also for social pain and stress—potentially enabling people to tolerate greater stress or negative experiences without changing behavior. Through processes akin to reinforcement learning, this reduced sensitivity to stress or social pain could reinforce patterns that favor sustained blood pressure elevation and eventually lead to clinically detectable hypertension.
Taken together, these findings offer a more nuanced picture of the bidirectional links between mental health and cardiovascular risk. They suggest that the relationship between higher blood pressure and apparently better short-term mental well-being can coexist with longer-term adverse effects that increase the risk of hypertension.
For widespread conditions such as depression and hypertension, this shift in perspective may open new paths for prevention and treatment. Interventions that address both mental and physical health—attending to mood symptoms, stress processing, medication adherence, and underlying physiological mechanisms—could help interrupt trajectories that lead from transient blood pressure changes to chronic hypertension.
About this psychology research news
Author: Press Office
Source: Max Planck Institute
Contact: Press Office – Max Planck Institute
Image: The image is in the public domain
Original Research: Open access.
“Associations between mental health, blood pressure and the development of hypertension” by H. Lina Schaare et al. Nature Communications
Abstract
Associations between mental health, blood pressure and the development of hypertension
Multiple studies have reported links between mental health and high blood pressure with mixed or even contradictory findings. This research resolves some of those contradictions by dissecting cross-sectional and longitudinal relationships among mental health measures, systolic blood pressure, and incident hypertension using extensive UK Biobank psychological, medical, and neuroimaging data.
The study shows that higher systolic blood pressure correlates with fewer depressive symptoms, greater well-being, and reduced emotion-related brain activity. At the same time, impending hypertension is associated with poorer mental health years before a formal diagnosis. A stronger baseline association between higher systolic blood pressure and better mental health was observed in individuals who later developed hypertension.
Overall, these findings provide insight into the complex interplay between mental health, blood pressure, and the development of hypertension. The authors suggest that physiological baroreceptor mechanisms and behavioral reinforcement learning may help explain why an association between higher blood pressure and improved short-term mental well-being can, over time, contribute to the onset of chronic hypertension.