Former NFL offensive lineman Brian Holloway in front of his home in Stephentown, N.Y., which teens trashed earlier this month. Michael Hill/AP hide caption

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Sure you're steamed. But teenagers tend to meet harsh words with even worse behavior, a study says. Katherine Streeter hide caption

itoggle caption Katherine Streeter

A first-year student is greeted upon arrival at University College in Utrecht, Netherlands, on August 16, 2010. Robin Utrecht/AFP/Getty Images hide caption

itoggle caption Robin Utrecht/AFP/Getty Images

A gene known as DRD2 affects the brain's dopamine system and is known to be associated with aggressive behavior. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Laura Molina, 9, shows the mask she created expressing the feeling of "sadness." Her mother is being treated for breast cancer at the Lyndon B. Johnson public hospital in Houston. Carrie Feibel/KUHF hide caption

itoggle caption Carrie Feibel/KUHF

Teacher Denise Severing leads a math lesson at a Head Start school in Woodbourne, New York. John Moore/Getty Images hide caption

itoggle caption John Moore/Getty Images