People who have undergone the traumatic stressful phase immediately after the September 11 terrorist attack in the United States still have greater risks of having heart and other cardiovascular problems even after three subsequent years.
Explaining the reasons responsible for such effects the researchers propounded that the events were extremely stressful and this might have precipitated the biological processes causing an increase in “one’s risks of developing cardiovascular ailments”. Dr.E. Alison Holman at the University of California conducted this study.