Dr. Frank Farley Discusses How Trauma Affects the Brain in Vancouver sun

Trains and construction workers

Survivors and witnesses to Ottawa train-bus crash can expect difficult weeks ahead, experts say.

People can experience anxiety, sadness, nightmares, intrusive thoughts or flashbacks, as well as anger over who is to blame - symptoms that can cross into full-blown post-traumatic stress disorder if they persist for several weeks or become more pronounced, experts say. Signs of PTSD include feeling jumpy and irritable for no reason. Some people feel "on guard" all the time, or hear noises.

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