How Witnessing Violence Can Alter Your Genome: The Epigenetic Impact of Trauma

a woman rests her head on another person's shoulder

Recent research has unveiled that witnessing violence doesn’t just leave psychological scars—it can lead to epigenetic changes in your genome, potentially affecting not only your health but also that of future generations . This groundbreaking study highlights the profound impact of trauma on genome function, emphasising the intricate interplay between our environment and genetic makeup.​


🧬 Understanding Epigenetics and Trauma

Epigenetics refers to modifications in gene expression without altering the DNA sequence itself. These changes can be influenced by environmental factors, including traumatic experiences. The study in question focused on Syrian refugees across three generations, revealing that traumatic events experienced by grandmothers led to measurable epigenetic alterations in their descendants .​


🔄 Intergenerational Transmission of Trauma

One of the most compelling findings is the concept of intergenerational trauma. Children and grandchildren of individuals who witnessed violence exhibited epigenetic markers associated with stress responses, despite not experiencing the trauma firsthand. This suggests that the effects of trauma can be biologically inherited, influencing the health and well-being of subsequent generations .​


🧠 Implications for Mental and Physical Health

These epigenetic changes have been linked to various health issues, including increased susceptibility to mental health disorders like anxiety and depression, as well as physical conditions such as cardiovascular disease. Understanding the genetic health implications of trauma underscores the importance of early intervention and support for those exposed to violence.​


🧬 CircleDNA’s Role in Personalised Health Insights

At CircleDNA, we recognise the significance of epigenetics in shaping individual health profiles. Our comprehensive DNA testing services provide insights into how your genetic makeup may influence your response to environmental factors, including trauma. By understanding your unique genetic predispositions, you can make informed decisions to mitigate potential health risks.​


📚 References

Bonior, A. (2025, March 28). Witnessing Violence Can Change Your Genome. Psychology Today. Retrieved from https://www.psychologytoday.com/us/blog/friendship-20/202503/witnessing-violence-can-change-your-genome

Related Posts

woman carrying baby in striped shirt

Safe Medication Use While Breastfeeding: Do’s, Don’ts, and Genetic Metabolism

Explore essential guidelines for breastfeeding medication safety, including the role of CYP450 genetics in drug metabolism. Learn how a CircleDNA pharmacogenomics test can provide personalized insights for safer lactation practices.

A mother and daughter creating a heart shape with their hands, expressing love and connection.

Surprising DNA Traits You Didn’t Know You Inherited from Your Mum

Discover the surprising DNA traits inherited exclusively from your mother, including mitochondrial DNA and X-linked characteristics.

Caring mother breastfeeding little baby while sitting on comfortable sofa near father while spending time together at home in living room

Genetic Factors Affecting Breast-Milk Production: What New Mums Should Know

Explore how breast-milk production genetics and prolactin gene variants influence lactation. Understand the causes of low supply and discover how a CircleDNA test can provide personalised insights for lactation support and personalised nutrition.

a black and white photo of a man holding a cup of coffee

Smell Tests: A New Frontier in Early Alzheimer’s Detection

Discover how at-home smell tests can aid in early Alzheimer’s detection and explore the role of genetics in cognitive health.

A young woman carrying boxes during a move into a new apartment, surrounded by packed belongings.

How Household Chaos Impacts Stress and Caregiving: What New Research Reveals

New research shows that household chaos increases stress and affects caregiving. Learn how personalized health insights can help protect your family.

boy in blue crew neck shirt with white face mask

New Research Reveals How Well Face Masks Really Work — And Why Fit Matters More Than You Think

Hot off the press: new research shows which face masks offer real protection and how genetics influence your immune defence. Stay ahead with CircleDNA.

Leave a Reply

Your email address will not be published. Required fields are marked *