Fainting May be Genetic, University of Melbourne Study  
4/17/2013 7:19:09 AM

Fainting may have a genetic origin, new findings suggest, a discovery that could shed light on its mysterious causes, researchers say. Fainting, technically known as syncope, is a brief loss of consciousness after the body reacts to certain triggers, such as the sight of blood, injury, pain, medical procedures, stuffy environments, prolonged standing and frightening thoughts.