There's nothing more frustrating than not being able to sneeze when you feel like you have to let one out. While a big sneeze can be jarring and a little messy, it's completely normal bodily function.

Aaaaa-choo! While your first thought may be to say “Gesundheit!” your second might be to ask: “Where did that sneeze come from?” Sneezing is a phenomenon that occurs in both people and animals. It ...