Luke Grant speaks with Barbara Wilson Professor of Psychiatry Arieh Shalev on the science of PTSD.

<p>Luke Grant speaks with Barbara Wilson Professor of Psychiatry Arieh Shalev on the science of PTSD.</p>

Australia Overnight is broadcast from 12am-6am on Saturday and Sunday on 2GB, 3AW and 4BC, and 12am-3am on 6PR.

<p>Australia Overnight is broadcast from 12am-6am on Saturday and Sunday on 2GB, 3AW and 4BC, and 12am-3am on 6PR.</p>

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