Excessive Yawning And Parasympathetic Nervous SystemExcessive Yawning And Parasympathetic Nervous System
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Excessive Yawning And Parasympathetic Nervous System

Most of the disorders which show yawning as a symptom are related to the central nervous system. Some of them are epilepsy, brain tumors, cerebral palsy and multiple sclerosis. However, these grave conditions will cause excessive yawning.

Sometimes yawning is caused by certain drugs that interfere with the neurotransmitters. For example, if you have been taking drugs for Parkinson’s disease or even depression medications then it is possible that yawning may be a side effect. Researchers have noticed that people who have had brain lesions, tumors and conditions like epilepsy tend to yawn  a lot.

Yawning is actually known as the vasovagal reaction. In fact, yawning is a deep inhalation process triggered by the body because of the decreasing oxygen levels in the blood. Excessive yawning means that person yawns more than 4 times in a minute. This kind of yawning has several other implications related to the nervous system. It is very important that a person gets accurate diagnosis before concluding they have a nervous system related problem.

The parasympathetic nervous system is a part of the autonomous nervous system. The functions are exactly opposite to the sympathetic nervous system. It works more on the principle of rest and digest. Many people yawn before they sleep and this has been found to be a trigger set off by the parasympathetic nervous system. If a person yawns excessively, then they may have an overactive parasympathetic nervous system at work. That is why doctors recommend a thorough diagnosis for excessive yawning because most of the time it is a harmless reaction.

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Excessive Yawning And Parasympathetic Nervous System

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