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The most obvious difference between a normal sneeze and a photic sneeze is the stimulus: normal sneezes occur due to irritation in the nasal cavity, while the photic sneeze can result from a wide variety of stimuli. Some theories are below. There is also a genetic factor that increases the probability of photic sneeze reflex. [13]
Sometimes the signals in this system get crossed, and I think this may be why some people sneeze when they think about sex. [2] Another possible explanation concerns the existence of erectile tissue in the nose, which may become engorged during sexual arousal, triggering a sneeze. Cranial nerve zero (autonomic) is also located in the nasal cavity.
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.
Next time you want to make yourself sneeze, try looking up towards a bright light. A quick glance will usually do, and avoid staring directly at the sun or any light sources, says Bracamonte. How ...
Have you ever done this before? Think about it -- the answer is likely no.
Among the most popular: Why does my sneeze smell weird? One Redditor likened the odor of their sneezes to “metal and chemicals,” and another to “musk and dead animal.” (Lovely.) Some ...
Snatiation is a term coined to refer to the medical condition originally termed "stomach sneeze reflex", which is characterized by uncontrollable bursts of sneezing brought on by fullness of the stomach, typically immediately after a large meal. The type of food consumed does not appear to affect its occurrence.
In English-speaking countries, the common verbal response to another person's sneeze is "(God) bless you", or less commonly in the United States and Canada, "Gesundheit", the German word for health (and the response to sneezing in German-speaking countries). There are several proposed origins of the phrase "bless-you" for use in the context of ...