"Among 896 men and women who survived a 2000 explosion at a fireworks depot that killed 23 people and injured about 1,000, those who developed PTSD symptoms were more than twice as likely to have vascular problems years later, such as atherosclerosis, varicose veins and swelling, Dr. Anja J. E. Dirkzwager of the Netherlands Institute for Health Services Research in Utrecht and her colleagues found. The patients also rated themselves as having worse overall health."

"While PTSD has been studied extensively, few studies have looked at the long-term effects of exposure to a disaster on physical health, Dirkzwager and her team note in Psychosomatic Medicine."

"Therefore, the researchers looked at the medical records of study participants from 1 year before the explosion occurred to up to 4 years afterwards. The researchers also surveyed study participants 3 weeks and 18 months after the disaster."

"Eighteen months after the explosion, 18 percent of the study participants met diagnostic criteria for PTSD based on a self-test. On average, these men and women reported more pain, worse physical functioning, less energy and more limitations on their activity due to physical problems."

"They
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