July 17 (UPI) — A new study found the 2011 terrorist attack in Norway by Anders Breivik that killed 77 people resulted in a significant increase in mental health disorders in Denmark. Researchers found that the terrorist attacks in Norway had a lasting affect in neighboring Denmark years later, with a significant increase in the amount of people diagnosed with trauma and stress-related disorders such as post traumatic stress disorder, or PTSD. The study, published July 13 in Epidemiology, was conducted by Aarhus University and the University of Copenhagen. The team of researchers had previously showed a similar effect in Danes after the Sept. 11, 2001, attacks in the United States.
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