A long-term study involving twins found those with post-traumatic stress disorder had a 22.6% rate of coronary heart disease, compared with a 8.9% rate for those without PTSD, Emory University researchers reported. The study in the Journal of the American College of Cardiology found the association remained despite adjustments for sociodemographic, lifestyle and heart disease risk factors, along with military service, depression and other psychiatric diagnoses.

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