Trauma

Exposure to traumatic experiences affect us in very individual ways. The consequence of being traumatized, concisely explained, is the effect of our nervous system sensing the danger of the past traumatic experience as if the danger is happening in the present.

https://nikhelbig.at/complex-trauma-12-basic-concepts-of-somatic-experiencing-in-healing-trauma/

This research suggests that trauma not only impacts the developing brain, but also that it impacts the development of boys and girls quite differently.

https://www.psychologytoday.com/us/blog/greater-than-the-sum-of-its-parts/201703/how-trauma-in-childhood-affects-the-brain?amp=

New research has identified changes on several key genes that may explain why people who experience traumatic events in childhood are at increased risk of psychosis.

https://www.kcl.ac.uk/news/researchers-uncover-new-biological-mechanisms-underlying-the-link-between-childhood-trauma-and-psychosis

At last a separate diagnostic criteria for Complex PTSD

https://www.cambridge.org/core/journals/the-british-journal-of-psychiatry/article/icd11-complex-posttraumatic-stress-disorder-simplifying-diagnosis-in-trauma-populations/E53B8CD7CF9B725FE651720EE58E93A4