Post-traumatic stress disorder was known as "shell shock" or "battle fatigue" before it was PTSD. Now it's known to affect not just military veterans but anyone who has gone through an intense traumatic experience. In fact, about one in 11 people will have PTSD in their lifetime.

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She developed PTSD, or post-traumatic stress disorder, because she didn't '"process the trauma," she shared in an emotional interview about mental health.

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Flashbacks and nightmares are common, but there are lesser-known signs of post-traumatic stress disorder to watch for too.


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