Intergenerational trauma refers to the apparent transmission of trauma between generations of a family. People who experienced adverse childhood experiences growing up, or who survived historical disasters or traumas , may pass the effects of those traumas on to their children or grandchildren, through their genes , their behavior, or both, leaving the next generation susceptible to anxiety , depression , hypervigilance, and other emotional and mental health concerns.
The Intergenerational Trauma-Physical Health Connection
The relationship between intergenerational trauma and physical health is bidirectional and profound. Modern neuroscience has confirmed what clinicians long observed: psychological states directly impact bodily systems.
Physical Symptoms of Intergenerational Trauma
People managing intergenerational trauma commonly experience:
- Fatigue and low energy
- Headaches and muscle tension
- Digestive disruptions (IBS, nausea, appetite changes)
- Sleep disturbances affecting cellular repair
- Immune system dysregulation
- Cardiovascular effects (blood pressure, heart rate variability)
- Chronic pain amplification
How Intergenerational Trauma Affects Body Systems
Stress hormones: Intergenerational Trauma often elevates cortisol and adrenaline, which when chronically elevated cause inflammation, insulin resistance, and immune suppression.
Nervous system: The autonomic nervous system shifts toward sympathetic dominance ("fight or flight"), reducing digestive, immune, and reproductive function.
Inflammation: Psychological distress promotes inflammatory cytokines linked to heart disease, diabetes, and autoimmune conditions.
Physical Health Practices That Help Intergenerational Trauma
Research shows these interventions improve both intergenerational trauma and physical health simultaneously:
- Regular aerobic exercise — 30 min, 3–5× weekly reduces symptoms significantly
- Anti-inflammatory diet — Mediterranean diet pattern supports mood and reduces inflammation
- Sleep optimization — 7–9 hours consistently transforms intergenerational trauma outcomes
- Breathing practices — diaphragmatic breathing activates parasympathetic recovery
- Reducing alcohol and processed foods — both worsen intergenerational trauma symptoms
When to Seek Integrated Care
Look for healthcare providers who address both physical and psychological dimensions if intergenerational trauma is affecting your body. Integrative psychiatry, functional medicine, and psychosomatic medicine specialize in this overlap.