A study in mice has hinted at the impact that early life trauma and stress can have on genes, and how they can result in behavioural problems.
Scientists described the long-term effects of stress on baby mice in the journal Nature Neuroscience.
Stressed mice produced hormones that "changed" their genes, affecting their behaviour throughout their lives.
This work could provide clues to how stress and trauma in early life can lead to later problems.
Mice that are abandoned as pups have behavioural problems later on life
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