Research has shown that a traumatic experience can cause changes in a person’s mental health, and can also change their DNA. This means trauma may get passed to future generations.
At the University of Zurich and ETH Zurich (Swiss Federal Institute of Technology), researchers have discovered that the short RNA molecules that perform a wide range of vital roles in the body were altered in mice when exposed to trauma.
“We were able to demonstrate for the first time that traumatic experiences affect metabolism in the long-term and that these changes are hereditary,” said Professor Isabelle Mansuy, as quoted by the Daily Mail. “With the imbalance in microRNAs in sperm, we have discovered a key factor through which trauma can be passed on.”
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