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Research links intergenerational trauma to sperm DNA
A new study published in the journal Molecular Psychiatry has shown that parents who experienced severe psychological trauma in childhood, such as neglect or violence, exhibit biological changes in their sperm. These changes involve epigenetic markers that regulate how genes are expressed, such as DNA methylation and small RNA molecules. These modifications, which influence gene activity, can be inherited by future generations and lead to psychological and biological effects like chronic stress, aggression, and an increased risk of heart and immune system diseases, even though they do not directly alter the DNA sequence itself. This phenomenon has been described as "transgenerational trauma" and is attributed to changes in gene regulation resulting from adaptations to stress, with potential to mitigate its effects through psychological support and a secure environment.
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