As many as 25,500 people have developed asthma after exposure to dust from the fall of the World Trade Center towers during the terrorist attack on New York City on September 11, 2001, a new report suggests.
Even more people, an estimated 61,000, have experienced post-trauma stress and related mental health problems after witnessing the twin towers fall, researchers estimate in the study, published in the Aug. 5 Journal of the American Medical Association.
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