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American Focus > Blog > Health and Wellness > Violence can leave genetic marks on future generations
Health and Wellness

Violence can leave genetic marks on future generations

Last updated: February 28, 2025 1:36 pm
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Violence can leave genetic marks on future generations
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The impact of violence on future generations has long been a topic of interest in the field of genetics. A recent study conducted by researchers at the University of Florida has shed light on the lasting effects of trauma on the genes of Syrian families who experienced violence.

The study focused on families who had been affected by the siege of Hama in 1982, as well as the more recent civil war in Syria. Researchers collected samples from three generations of Syrian immigrants, including grandmothers, mothers, and children, to analyze the epigenetic modifications in their genomes.

Epigenetics is the process by which our cells can add chemical flags to genes in response to stress or other events. These modifications can alter the behavior of genes and may help us adapt to stressful environments. The study aimed to determine if the experience of violence could lead to epigenetic changes that are passed down through generations.

The results of the study were striking. The researchers discovered 14 areas in the genomes of the grandchildren of Hama survivors that had been modified in response to the violence experienced by their grandmothers. This finding provided the first human evidence of the genetic transmission of stress across generations.

In addition to the epigenetic changes observed in the grandchildren of survivors, the study also uncovered 21 epigenetic sites in the genomes of individuals who had directly experienced violence in Syria. Furthermore, individuals who were exposed to violence while in their mothers’ wombs showed evidence of accelerated epigenetic aging, which may be associated with susceptibility to age-related diseases.

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The researchers believe that their work has implications for understanding the intergenerational effects of violence, not only in refugee populations but also in other contexts such as domestic violence and gun violence. The study highlights the importance of studying the long-term impact of trauma on human health and well-being.

While the exact effects of these epigenetic changes on individuals’ health are still unclear, previous studies have suggested a link between stress-induced epigenetic modifications and diseases like diabetes. The researchers hope that their findings will encourage policymakers to pay more attention to the problem of violence and its potential long-term consequences.

Overall, the study not only provides valuable insights into the genetic effects of trauma but also underscores the resilience and perseverance of the families who participated in the research. Despite their experiences of violence and hardship, these families have continued to lead fulfilling and productive lives, demonstrating the power of human resilience in the face of adversity.

TAGGED:FutureGenerationsgeneticleaveMarksViolence
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