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Understanding the Deep Connection Between Childhood Trauma, Neurodivergence, and Chronic Illness

Writer's picture: Rebecca AnnRebecca Ann

The link is obvious to me working in this field and seeing people with chronic illnesses and chronic stressful or traumatic childhood, even adulthood experiences. There is of course a genetic factor as some of us are more hardwired to handle stress with more resilience than others. Epigenetic's surely plays a part too in how the body responds to trauma.


Chronic Stress = DIS-EASE

There is also a significant body of scientific research that links childhood trauma with chronic illness. Here are some examples of this research:


Adverse Childhood Experiences (ACEs) Study: This is one of the most well-known studies linking childhood trauma with chronic illness. The study was conducted by the Centers for Disease Control and Prevention (CDC) and Kaiser Permanente, and it found that adults who had experienced childhood trauma, such as abuse or neglect, were more likely to suffer from chronic health conditions like heart disease, diabetes, and cancer.


Childhood Trauma and Chronic Pain: There is also research indicating that childhood trauma is associated with chronic pain. A study published in the Journal of Pain found that individuals who experienced childhood trauma had a higher risk of developing chronic pain conditions, such as fibromyalgia and chronic fatigue syndrome.


The Relationship Between Childhood Adversity and Adult Health: This study, published in the American Journal of Preventive Medicine, found that individuals who reported experiencing childhood trauma had a higher likelihood of developing chronic health conditions in adulthood.


Childhood Trauma and Mental Health: There is a well-established link between childhood trauma and mental health conditions like depression, anxiety, and post-traumatic stress disorder (PTSD). These conditions are also associated with an increased risk of developing chronic health conditions.


The intricate relationship between childhood experiences and long-term health outcomes has been a focal point of scientific inquiry for decades. This connection becomes even more apparent when we consider the interplay between adverse childhood experiences (ACEs), neurodivergence, chronic illnesses, and personality types like Type A. Through my work, the patterns are undeniable: chronic illnesses often emerge as the culmination of traumatic or stressful experiences in childhood or adulthood, intersecting with genetic predispositions, epigenetics, and the stress response system.



While the ACEs study focuses on trauma, it’s crucial to extend the conversation to include neurodivergence. Conditions like ADHD, autism, and sensory processing disorders often make individuals more vulnerable to stress. Neurodivergent individuals can experience heightened sensitivity to environmental stimuli and social dynamics, which, when combined with childhood trauma, may amplify the risk of chronic illnesses.


  • Chronic stress in neurodivergent individuals may overactivate the body’s stress response system, leading to inflammation and dysregulation in immune function.

  • Misunderstanding and marginalization in childhood can compound trauma, reinforcing cycles of stress that affect both mental and physical health.

The Role of Type A Personalities

Type A personalities—characterised by high ambition, competitiveness, and a relentless drive—are often associated with a heightened stress response. When coupled with a history of trauma or neurodivergence, this personality type can exacerbate the body’s allostatic load (the cumulative burden of chronic stress).

Epigenetics and Stress Resilience

Genetics and epigenetics play a pivotal role in how individuals respond to trauma. Some people are genetically hardwired with greater resilience to stress, while others are more susceptible. Epigenetics, the science of how environmental factors influence gene expression, suggests that traumatic experiences can alter how genes regulate stress, inflammation, and immune responses.

For instance:

  • Trauma can switch on genes that increase inflammation, a hallmark of many chronic illnesses.

  • These changes may be passed down, influencing future generations' health.

Chronic Illness and Trauma: The Scientific Evidence

Research continues to establish the link between trauma and chronic illness:

  • Chronic Pain: Studies, including one published in the Journal of Pain, indicate that childhood trauma is a significant risk factor for chronic pain conditions like fibromyalgia and chronic fatigue syndrome.

  • Mental Health and Chronic Illness: Depression, anxiety, and PTSD—often rooted in unresolved trauma—are closely associated with physical illnesses such as heart disease and diabetes.

  • The Body Keeps the Score: Dr. Bessel van der Kolk’s groundbreaking work illustrates how traumatic experiences reshape the body’s stress response system, leading to both mental and physical health issues.

Allostatic Load: The Hidden Toxin

In my blog, How to Open the Detox Pathways in the Body, I discuss how allostatic load—the wear and tear on the body from chronic stress—acts like a toxin. Stress hormones, like cortisol, accumulate over time, affecting

In the book "The Body Keeps the Score," author Dr. Bessel van der Kolk summarizes the research on the link between childhood stress and chronic illness. He explains that childhood stress, particularly traumatic experiences such as abuse and neglect, can lead to changes in the body's stress response system, which can increase the risk of developing chronic illnesses such as heart disease, diabetes, and autoimmune disorders. These changes in the stress response system can also lead to mental health conditions such as anxiety, depression, and PTSD, which are also associated with chronic illness. The book emphasizes the importance of addressing childhood trauma in order to prevent and treat chronic illness.



Childhood Trauma, Neurodivergence, and Chronic Illness

Emerging research and clinical observations suggest an intriguing link between childhood trauma, neurodivergence, and chronic illness. Neurodivergence—characterized by variations in brain functioning that affect learning, behavior, and social interaction—may make individuals more sensitive to environmental stressors, including trauma.


  • Autistic individuals may experience heightened sensory sensitivities, making them more vulnerable to traumatic events and prolonged stress.

  • ADHD is associated with an increased risk of emotional dysregulation and impulsivity, often exacerbated by a history of adversity.

  • Both neurodivergent individuals and those with chronic illness frequently report overlapping symptoms like chronic fatigue, pain, and immune dysregulation.


It’s important to recognize that neurodivergence is not inherently linked to trauma or illness but that the interplay between genetics, environment, and life experiences can amplify stress responses and health vulnerabilities in some individuals.


Type A Personality, Stress, and Health

Type A personalities—driven, competitive, and perfectionistic—are often associated with chronic stress. These individuals may internalize stress, pushing through discomfort and overextending themselves. Over time, this heightened stress response can lead to increased cortisol levels, systemic inflammation, and a higher likelihood of conditions like hypertension, cardiovascular disease, and autoimmune disorders.

Interestingly, many Type A individuals share a history of trauma or adversity, which may contribute to their high-achieving tendencies as a coping mechanism. While this drive can lead to external success, it often comes at the expense of physical and emotional well-being.


The Role of Inner Healing in Addressing Chronic Illness

Unresolved emotional wounds, especially from childhood, can perpetuate chronic stress and illness. Healing these wounds is a transformative process that allows individuals to shift from survival mode to a state of growth and repair. My Activate Your Inner Compassionate Self course helps us activate that loving gentle side to us thats kind to ourselves even when we are challenged or suffering.


Techniques like Quantum Inner Child Healing, Integral Eye Movement Therapy (IEMT), and hypnosis are powerful tools for accessing and resolving deeply rooted emotions. These methods help rewire the brain’s response to past trauma, reducing the allostatic load and creating space for physical healing.





Key Takeaways for Holistic Health

  1. Trauma as a Root Cause: Childhood and adulthood trauma significantly contribute to chronic illness, especially when compounded by genetic predispositions or epigenetic changes.

  2. The Neurodivergence Link: Neurodivergent individuals may experience amplified health challenges due to overlapping factors of trauma sensitivity and systemic stress.

  3. Personality Matters: Type A traits can exacerbate stress-related illnesses, often reflecting a response to unresolved trauma.

  4. Healing is Multidimensional: Addressing trauma through therapies like IEMT, quantum healing, and hypnosis helps mitigate stress and its effects on the body.

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