Read this excerpt from News Articles about Bullying. One of those contacts came in the form of Dash Mihok, an actor who has had roles in major films, including "I Am Legend," and "The Thin Red Line." Mihok, 38, also has Tourette's syndrome.

"I grew up with Tourette's in New York City public schools and I was just amazed at the bravery and the fortitude of this young man," Mihok said. "I sent him an email letting him know he had a friend in Los Angeles and his mother asked me to be his mentor. I happily accepted."

Together, Jaylen and Mihok have been taking their knowledge into the Polk County school system, holding assemblies to educate students on bullying.

What background knowledge would best add to a reader’s understanding of the excerpt?

Tourette’s syndrome affects the brain and nervous system, causing people to have uncontrollable movements and speech.
Dash Mihok played a number of small roles before starring in movies, making him appreciate his success in films.
Polk County Schools represent a large district in Florida, making it necessary for them to engage in anti-bullying efforts.
Jaylen’s mother was very happy that Mihok had befriended her son, so she asked Mihok to become a mentor to Jaylen.