People in three southern U.S. states are facing a health threat no one can explain: an abnormally high risk of suffering a fatal stroke - even among tourists just visiting the region.
Residents and visitors alike in near-coastal areas of North and South Carolina and Georgia have a stroke risk at least 10 per cent higher than people in other U.S. states.
And when local people leave the area, even for a short trip, their risk of a fatal stroke drops.
Since short visits don't change a person's weight, blood pressure or diabetic status, researchers are literally wondering whether there's something in the local air or water....
Last Edit: Jun 19, 2008 13:10:40 GMT -5 by KNOWTHIS