Eating too much salt seems to impair body's ability to fight bacteria Eating too much salt may impair the body’s ability to fight bacterial infections, according to studies in mice and in 10 human volunteers. Christian Kurts at the University Hospital of Bonn in Germany and his team first showed that mice given a high salt diet were less able to fight kidney infections caused by E. coli and body-wide infections caused by Listeria monocytogenes, a common cause of food…