# Rachel Yehuda: Your brain changes after trauma. Science can reverse it

An episode of [The Big Think Interview](https://invisiblenetwork.ai/podcast/6797911690), 14 Apr 2026, 50 min.

Audio: https://traffic.megaphone.fm/APO8161744685.mp3

Trauma doesn't end when the danger does, and for decades, science couldn’t explain why. Rachel Yehuda, a leading PTSD researcher, has spent her career inside that question, uncovering how trauma leaves impressions on our genes, sometimes passing biological echoes on to the next generation. Now, she’s focused on a therapy that could actually break the chain.

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