Sneezing, or sternutation, is an abrupt, involuntary and forceful expulsion of air through the nose and mouth. This involuntary reflex, triggered by the trigeminal nerve, is the body's attempt to ...

Add Yahoo as a preferred source to see more of our stories on Google. Aaaaa-choo! While your first thought may be to say "Gesundheit!" your second might be to ask: "Where did that sneeze come from?" ...

People’s sneezing tendencies can be almost as individual as their fingerprints. Some produce earth-shattering blasts. Others emit delicate “ahchoos!” But why do we sneeze in the first place? No matter ...