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That is because of how some people's nerves are routed. For some, the optic nerves are very close to the vagus nerve and may even share the same nerve sheath. The vagus nerve is what controls the heart, lungs, diaphragm, part of the vocal folds, and digestive tract. A sneeze is a spasm of the diaphragm. So when a very strong stimuli passes through the optic nerve, some crosstalk may occur and stimulate the vagus nerve, causing a spasm of the diaphragm and the sudden expulsion of air through the lungs and out the mouth. So if the mouth or lungs have anything in them at the time, it comes out along with the air, and thus saliva and possibly phlegm go everywhere.
What else can I help you with?
Why do you sneeze when walking into the sun?
Reflexive sneezing induced by light, and sunlight in particular, is estimated to occur in 18 to 35 percent of the population and is known as the photic sneeze reflex (PSR) or the ACHOO (autosomal dominant compulsive helio-ophthalmic outbursts of sneezing) syndrome. Its genetic nature has been known for at least the last 25 years; it is periodically discussed in the medical literature and lay press. Observations that emerging from dim light into sunlight or turning to face directly into the sun commonly triggers the reflex prompted early inquiries into the trait. The number of induced sneezes--which seems to be genetically mediated and can be predicted within a family--is constant from episode to episode and typically numbers two or three. Some consequences of the PSR include danger to automobile drivers when emerging from dim light, such as a tunnel, into full sunlight, and disruption of outdoor group photos. More recently, reports in publications oriented to military medicine have noted the potential danger to pilots experiencing the PSR. In fact, studies conducted by the military revealed that the PSR is not mediated by specific wavelengths of light and thus cannot be mitigated by the use of filtering lenses; rather the investigators concluded that the PSR is induced by changes in light intensity. Others have not found flickering light to precipitate the PSR. Exactly how sunlight causes some people to sneeze remains unknown.
Why do you say walk in the sun but not under the sun?
It's shortened from 'walk in the sunlight'.
What is a footpath A path for people to walk on?
What is a footpath? A footpath is path for people to walk on.
Why people cannot walk in space?
people cannot walk in space because there is a lot of gravity
You are round but not always around you are light sometime dark sometimes both many people want to walk on me some have what am i?
You are the moon. It is round but not always visible, appearing differently throughout the month. It reflects light from the sun, sometimes appearing bright and sometimes shadowed. People have landed on the moon, fulfilling the desire of walking on it.
Why does bright light cause some people to sneeze?
I am not a doctor nor any kind of researcher. Just someone who sneezes when I walk out into the sun. My idea is that when we are exposed to the bright light, we squint our eyes. When this happens it restricts our sinuses. A natural way of clearing our sinuses is a sneeze.
Why do you sneeze when walking into the sun?
Reflexive sneezing induced by light, and sunlight in particular, is estimated to occur in 18 to 35 percent of the population and is known as the photic sneeze reflex (PSR) or the ACHOO (autosomal dominant compulsive helio-ophthalmic outbursts of sneezing) syndrome. Its genetic nature has been known for at least the last 25 years; it is periodically discussed in the medical literature and lay press. Observations that emerging from dim light into sunlight or turning to face directly into the sun commonly triggers the reflex prompted early inquiries into the trait. The number of induced sneezes--which seems to be genetically mediated and can be predicted within a family--is constant from episode to episode and typically numbers two or three. Some consequences of the PSR include danger to automobile drivers when emerging from dim light, such as a tunnel, into full sunlight, and disruption of outdoor group photos. More recently, reports in publications oriented to military medicine have noted the potential danger to pilots experiencing the PSR. In fact, studies conducted by the military revealed that the PSR is not mediated by specific wavelengths of light and thus cannot be mitigated by the use of filtering lenses; rather the investigators concluded that the PSR is induced by changes in light intensity. Others have not found flickering light to precipitate the PSR. Exactly how sunlight causes some people to sneeze remains unknown.
Do ghost walk through you when you sneeze?
Yes
Do people remember you when you sneeze?
I am compelled to ask how you came up with such a question? I guess if you blatantly walk up to someone and sneeze in their face, you can take it to the bank that they are going to remember you and not in a positive light!
Potatos cccc cccc?
What you do is....... stand there and...... walk by and....... sneeze and....... keep walking.....
How are topographic maps different from models?
because the sunlight changes it what it looks like and models are people that walk on catwalks
Why do you say walk in the sun but not under the sun?
It's shortened from 'walk in the sunlight'.
Can people walk?
yes people con walk they walk with legs
What made selene walk in sunlight in underworld evolution?
She drank from the firs immortal's blood.
When you walk your dog you are using energy from this sunlight to power this activity explain?
When you walk your dog, your body is utilizing energy from the food you have consumed, which is essentially stored sunlight via the process of photosynthesis. The food you eat provides the necessary energy for your muscles to move and your body to function, allowing you to take your dog for a walk powered by this energy.
Why do people walk their dogs?
people walk there dogs because the can and there dogs have to use the bathroom but for some people, they walk their dogs to check out other people lol
How can Angel walk in daylight in the tv series Angel?
He was turned human for a day in season 1 and was able to walk in the sunlight. It was the episode where Buffy guest starred.
