Nearly one million people are expected to file through the gates of the IowaState Fair over the next ten days. Some of them will leave on stretchers.Fairgrounds first aid centers are treating hundreds of people for a widerange of injuries, most of them NOT life threatening. The top problem?Blisters from shoes that aren’t made for walking. Red Cross spokeswomanBobbie Bishop says it’s NOT the place to break in those new school shoes.An unexpected problem, Bishop says bees sometimes seem to outnumber peopleat the fair.And while the forecast says 90-degree heat WON’T be a problem until nextweek, Bishop says pushing non-alcoholic fluids is still important.