Those who have experienced terrible things such as war, sexual abuse, or losing a child will often bear the scars for the rest of their lives in our modern world. In pre-industrial civilisations did these relatively common things (such as pederasty in Ancient Greece) have the same effect on people?
A ton can be written about this subject, but here's is a sampling from past answers:
Concerning the question of whether ancient soldiers got PTSD, check out this Monday Methods thread by u/hillsonghoods.
Concerning how people in the past dealt with sexual abuse, check out u/sunagainstgold's answers in this thread.
Concerning grief over a loss of a child check out this answer by u/amandycat, this answer by u/hannahstohelit, and this answer by u/sunagainstgold.