Most people only sneeze two or three times when exposed to sunlight, but there have been records of people sneezing up to 40 times in a row. The interesting thing is that light itself does not trigger a response.
MSN: Why do I sneeze the same number of times every time?
Google Glass Almanac: Why Do We Often Sneeze Twice in a Row? Uncover the Surprising Reasons!
It’s common to sneeze more than once in a row, and there’s a clear reason for it: to effectively clear the nasal passages of foreign ...
Why Do We Often Sneeze Twice in a Row? Uncover the Surprising Reasons!
A sneeze (also known as sternutation) is a semi-autonomous, convulsive expulsion of air from the lungs through the nose and mouth, usually caused by foreign particles irritating the nasal mucosa. A sneeze expels air forcibly from the mouth and nose in an explosive, spasmodic involuntary action.
When you sneeze, it removes irritants like dirt, dust and pollen from your nose or throat. It’s your body’s way of getting rid of things that can make you sick or cause inflammation.
People sneeze if the brain senses an intruder, like an allergen or pollutant, in the nasal passages. Bright light and even large meals can trigger sneezing.
When this happens, your body does what it needs to do to clear the nose — it causes a sneeze. A sneeze is one of your body’s first defenses against invading bacteria and bugs.
Sneezing is your body’s way of clearing irritants, but sunlight, food, and genetics can all set it off. Here’s what’s actually happening when you sneeze.