Reason behind sneezing - 10 facts about sneezing

Sneezing is caused by many factors, breathing is not a single factor behind it. It generally occurs to remove the irritant from the nasal passage. If there is any irritant in nasal passage then it will send message to brain and brain will treat the muscles of the nasal passage to have a forceful expulsion of air so the irritant can be thrown out. The irritant can be allergens, dust, chemical irritant or it may also a mold. Sneezing also occurs due to viral infection.

Sneezing can cause rupture of vessels in head and neck too and you cant pop up your eyes while sneezing.

Here are some another interesting facts about sneezing

1. 1 Lakh more germs are added into surrounding environment after sneezing.
2. You will feel great relaxing after sneezing with both of your nose.
3. The speed of sneezing air is 100 miles per hour.
4. you cant sneeze while sleeping.
5. The longest sneeze was carried out by Donna Griffiths of Worcestershire, England and it was 978 days long.
6. Most sneezing animal is the Igaunas.
7. Medical term for sneezing is "Sternutation".
8. Human can't sneeze with open eyes and it is still mystery. 
9. A rare genetic disorder known as Snatiation — a medical disorder characterized by uncontrollable bursts of sneezing brought on by fullness of the stomach, and typically observed in sufferers immediately after a large meal — will cause sneeze after one eats a big meal which results into a full stomach
10.  Some people used to say "lamp" and "cucumber" to stop sneezing.