Most people think of difficult relationships as something that hurts emotionally. Stress, sadness, anxiety, and exhaustion are commonly expected. What is less often acknowledged is how persistent relational stress can manifest physically in the body, sometimes in ways that feel confusing or even unrelated to emotional life.
The original reporting follows the experience of Becca Scott, who went through a prolonged period of strain in her marriage. Over time, she began to experience extreme fatigue, heart palpitations, and a sense of heaviness in her body that made normal daily activities feel overwhelming. After her relationship ended, her symptoms significantly improved, and she later reflected on how closely her health appeared tied to her environment.
Her experience is not presented as universal or diagnostic, but it raises a broader question explored in the article. Can chronic relational stress contribute to physical illness, or worsen existing conditions?
A key concept explained by clinician Muriel Wallace-Scott is the body’s stress response system. When a person perceives threat, whether physical danger or ongoing emotional conflict, the nervous system activates a survival state often described as fight or flight.
In this state, the body prioritises immediate survival over long-term maintenance. Energy is redirected toward muscles and alertness. Systems responsible for digestion, reproductive health, hormone balance, and immune regulation receive less support. This is not a malfunction. It is an evolutionary adaptation designed to help humans respond to acute danger.
The problem arises when stress is not short-term but ongoing. In a persistently tense relationship, the nervous system may remain in a heightened state of alert. Instead of returning to baseline, the body continues to operate as if it is under threat. Over time, this can contribute to exhaustion, sleep disruption, and changes in physical health.
One of the key points highlighted in the reporting is the connection between stress and immune regulation. The immune system and nervous system are closely linked, and prolonged stress can influence inflammatory responses in the body.
When the body remains in a hypervigilant state, immune signalling may become dysregulated. This can lead to either exaggerated inflammatory responses or reduced immune efficiency. Some clinicians associate this pattern with flare ups in autoimmune conditions such as Crohn’s disease, lupus, psoriasis, or Hashimoto’s thyroid disease.
It is important to be clear that stress is not considered a sole cause of autoimmune disease. However, it may act as a contributing factor or trigger in individuals who are already genetically or biologically susceptible.
The article describes how chronic stress may influence inflammation, gut health, and hormonal regulation, potentially making symptoms more difficult to manage.
Another major system affected by long-term stress is the endocrine system, particularly the adrenal response. When a person experiences stress, the body releases adrenaline and noradrenaline first, followed by cortisol. Cortisol helps regulate inflammation and energy balance in short bursts.
However, when stress is constant, cortisol patterns can become dysregulated. Some individuals may produce too much cortisol for extended periods, while others may eventually show reduced responsiveness. Both patterns can be associated with fatigue, brain fog, disrupted sleep, and reduced physical resilience.
In the reporting, Wallace-Scott explains that in clinical practice, some patients with chronic inflammatory or autoimmune conditions show altered cortisol rhythms. This does not mean cortisol is the only factor involved, but it is part of a broader system of stress regulation that can influence how the body functions day to day.
In homoeopathy and some functional medicine approaches, clinicians sometimes refer to a “maintaining cause”. This concept suggests that even when symptoms are being treated medically or nutritionally, ongoing environmental stress can prevent full recovery.
The idea is not that relationships directly cause disease, but that persistent emotional stress can maintain a state of physiological strain. If a person is continuously exposed to criticism, conflict, or emotional insecurity, their body may remain in a heightened stress response that slows recovery.
This perspective encourages a more holistic view of health, where lifestyle, relationships, and emotional environment are considered alongside medical treatment.
The article also references research suggesting correlations between severe stress or trauma and increased risk of autoimmune conditions. Some studies have found that individuals exposed to significant psychological stress may have higher rates of conditions such as rheumatoid arthritis or lupus.
Other research has explored the link between relationship quality and long-term health outcomes. One frequently cited finding suggests that poor quality relationships may be associated with increased mortality risk, although interpreting these results is complex because many confounding factors are involved, including socioeconomic status, existing health conditions, and lifestyle habits.
The key takeaway is not that relationships alone determine health outcomes, but that chronic stress exposure may be one of several contributing factors affecting long-term wellbeing.
Beyond biological mechanisms, emotional strain itself can influence physical experience. Persistent insecurity, conflict, or feeling unsafe in a relationship can lead to anxiety and depression. These conditions are known to affect sleep, appetite, immune function, and energy levels.
The reporting also highlights how people may become trapped in cycles where declining health reduces their ability to leave stressful situations, which in turn perpetuates stress. This creates a feedback loop between emotional and physical strain.
Pop culture often portrays breakups as leading to sudden improvements in appearance or energy. While sometimes exaggerated, this reflects a real phenomenon where removal of chronic stress can allow the body to return to a more balanced state.
A reference is made to fictional portrayals such as Carrie Bradshaw and the dynamics depicted in popular media, alongside films like The Souvenir, which explore emotionally intense relationships.
The relationship between emotional life and physical health is complex. The body does not separate psychological stress from biological function in the way people often assume. Instead, nervous system activation, hormonal regulation, and immune responses are deeply interconnected.
The key message from the reporting is not that relationships directly cause disease, but that chronic stress from any source, including interpersonal relationships, can influence physical wellbeing over time. For some people, reducing that stress may be an important part of restoring health, alongside medical care and lifestyle support.
Ultimately, the body is designed to prioritise survival. When it remains in survival mode for too long, other systems may be affected. Recognising the impact of long-term stress can be a step toward understanding health in a more integrated way.
Reporting by Lydia Spencer-Elliott in The Independent, published 4 July 2026.
This article is a written summary and commentary for informational purposes only. It is not medical advice. It should not be used to diagnose, treat, or replace professional medical guidance. If you are experiencing health concerns, seek advice from a qualified healthcare professional.
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