Exposure to debris at Ground Zero may be linked to heart problems in police officers, according to a new study announced Saturday.

The study revealed that police officers who worked at the World Trade Center site in the aftermath of the September 11, 2001, terror attacks had unusually high occurrences of abnormal left and right ventricular functioning, leading doctors to consider the role Ground Zero played in their diminished heart function.

Read the full story at CNN.com.

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