Pretty much any environment that causes your body to frequently flood with cortisol is a breeding ground for PTSD. The brain interprets the constant threats to its well-being as a signal to rewire itself to be trigger-happy on the flight-or-fight response to conditions that most others would not react as intensely to.
Examples: childhood poverty; abusive/neglectful parents; societal discrimination (especially if violence or a heightened possibility is a factor).
Examples: childhood poverty; abusive/neglectful parents; societal discrimination (especially if violence or a heightened possibility is a factor).