03/04/2026
Epigenetics, Trauma, and Healing
Something remarkable has emerged from the world of epigenetics, and it speaks directly to the deeper themes of healing that many of Mindful Remission's participants are exploring.
Researchers at the Institut Pasteur in Paris and the French National Institute of Health and Medical Research (INSERM) recently completed one of the most comprehensive human studies ever conducted on transgenerational epigenetic inheritance. Over a 25-year period, scientists followed three generations of families that included Holocaust survivors, Cambodian genocide survivors, and control populations.
What they discovered is both sobering and fascinating.
Specific and reproducible changes were found in the way certain stress response genes are regulated. In particular, the genes FKBP5 and NR3C1, both deeply involved in the body's cortisol and stress regulation system, showed distinct DNA methylation patterns in trauma survivors. DNA methylation is a chemical marking system that influences whether genes are turned up or down in the body.
Those same epigenetic patterns were then detected in the biological children of survivors. Even more striking, they were also present in grandchildren who never personally experienced the original trauma.
In other words, severe emotional trauma can leave molecular signatures in the body that may be passed down across generations.
For decades, biology assumed this could not happen. Classical genetics taught that acquired experiences could not be inherited. Yet epigenetics has been steadily rewriting that assumption.
During the formation of s***m and egg cells, the genome goes through an extensive process called epigenetic reprogramming, where most of the parent's epigenetic marks are erased. But the research suggests that this reset is not absolute. Certain regions of the genome, including promoters of stress related genes, can resist this reprogramming when the parent has experienced intense and prolonged trauma. The methylation patterns created by that experience can persist and be transmitted to offspring.
In essence, the body records the experience of trauma at the molecular level.
The implications for health are significant. Studies show that descendants of trauma survivors may display altered baseline cortisol levels, differences in HPA axis stress responsiveness, and a higher vulnerability to conditions like PTSD, anxiety, and depression. These patterns appear not only through family environment but also through inherited biological signaling.
And yet there is another side to this story that is deeply hopeful.
Because epigenetic marks are regulatory, not permanent mutations, they are also potentially modifiable. Researchers are now exploring whether therapies that address trauma at both psychological and biological levels may help reverse some of these inherited stress patterns. Early work is examining combinations of trauma-focused therapies, such as EMDR, alongside emerging approaches that influence DNA methylation pathways.
In other words, the biology that once carried trauma forward may also be capable of carrying healing forward.
For those of us exploring mind-body healing, nervous system regulation, and the science of recovery, this research adds an important dimension. It reminds us that healing work is not only personal. It may also be generational.
When we calm the nervous system, process stored trauma, and restore safety in the body, we may be doing more than helping ourselves. We may be changing the biological story that gets passed on.
Science continues to catch up with something many healing traditions have long sensed. The body remembers. But the body can also repair.
Source
Institut Pasteur Paris and INSERM. Research on transgenerational epigenetic inheritance of trauma, including FKBP5 and NR3C1 stress response gene methylation patterns. Published in Nature Reviews Genetics, 2025.
A big thank you to Michelle who shared this source with me.