What makes us sneeze if we look at the sun or bright light?

Thursday, March 17, 2016 hamada cabo 0 Comments

Have you ever wondered what makes us Natts If we look at the sun? Many of us may have heard from their parents or grandparents that consideration of the sun or a bright light stimulates sneezing, but why? Continued with us to find out why.

What makes us Natts If we look at the sun or bright light?
Sneezing when considering the sun or bright light is not a myth or a random explanation, but his scientific explanations, and even that has a scientific name is "photic sneeze origin," it has been the term been in place since 1954. But the theory has been generally observed for thousands of years.
Here we will present theories contained a set in this command:

Aristotle's theory of thousands of years ago
Aristotle observed this thousands of years ago, has said that the heat of the sun leads to dehydration of mucus in the nose, which may stimulate the nose twitching and then sneeze rights.

Linked gene theory
For the moment, there are studies linking it to genes, due note of young children sneeze when exposed also to bright light, making some researchers say that this effect is related to genes, even if a parent is affected by light and sneeze more than half of the children will be like him.

Theory linked the cause nerves
There are other scientific theory attributed the cause to be a bright light generates signals affecting the trigeminal nerve in the brain, a sensory nerve and is responsible for the nose and is in control of sensory nose and mouth.

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