None of it, this has been common knowledge for decades.

https://pmc.ncbi.nlm.nih.gov/articles/PMC6428430/

https://aifs.gov.au/resources/practice-guides/effect-trauma-...

https://pmc.ncbi.nlm.nih.gov/articles/PMC3968319/

Adding to this, trauma extends to multiple generations:

"Intergenerational influences of paternal combat-related trauma on offspring behavioral and brain function"

https://www.sciencedirect.com/science/article/pii/S235228952...

"Exposure of Men to PTSD-Promoting Trauma Elevates Levels of Sperm miRNAs with Anxiety and Depression-Inducing Activities"

https://www.biorxiv.org/content/10.64898/2026.04.22.720211v1...

Combined with N<20 and a definition of trauma that means literally any experience, we might be able to get a preprint published claiming trauma cures cancer as well.