Half of all young Australians are feeling crippled in their everyday lives by what experts call a “natural human emotion” – and they don’t know what to do about it.

IES-R subscales measure intrusive thoughts, avoidance of reminders of illness, and symptoms of hyperarousal. Items are rated on a 5-point Likert scale from 0 (not at all) to 4 (extremely), yielding a ...