I am 31 year's old, and happy to have a chance to lead a life with quality, since I love sports. I am greatly puzzled though by the genetic factor involved here. Three or five people in my family suffered from an aneurysm at the exact same location. No doctor so far has been able to explain this. Some of them mention Marfan syndrome, but this has been ruled out for everybody in my family that had the disease.
Men seem to reach the critical diameter around thirty, women around fifty.