Videos like the Tyre Nichols footage can be traumatic. An expert shares ways to cope


People attend a candlelight vigil on Thursday in memory of Tyre Nichols at the Tobey Skate Park in Memphis, Tenn.

People can experience symptoms of PTSD after being exposed to videos with violence and death. Those symptoms can show up immediately or weeks later.

(Image credit: Scott Olson/Getty Images)

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