The link below will lead you to one of the best interviews about PTSD I have ever seen, hands down.
The fact that Rachel Yehuda is my cousin is an added bonus–I am ever so proud of her: for the person she is, for the work she does, for the wisdom and empathy she imparts, for how she has literally changed the field of PTSD in the last 25 years.
(I recommend reading the transcript, not just viewing the snippet of video on the site)
Take a look. Take a read. You will be glad to have taken the time: