Article in SMH reporting that a team of researchers have found that "severe emotional distress may speed up teh ageing of the body's cells at the genetic level.
The study, which appears in Proceedings of the National Academy of Sciences, also suggests that the perception of being stressed can add years to a person's biological age."
W: http://www.theage.com.au/articles/2004/11/30/1101577484712.html