A promising new drug could help people living with post-traumatic stress disorder (PTSD) finally let go of trauma .

This is the discovery of scientists at the Institute of Basic Science (IBS) and Ewha Womans University in South Korea who have identified a new brain mechanism driving the mental health condition—and a drug with the potential to counteract its effects.

The team has shown for the first time that "excessive" gamma-aminobutyric acid (GABA)—the brain's primary neurotransmitter—produced by star-shaped support cells in the brain known as "astrocytes" impairs the brain's ability to extinguish fear memories.

This inability to forget traumatic memories even after a long period of time is distinct to PTSD and has posed a major hurdle for treatment. Current medications targeting se

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