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The Second Brain: Gut-Brain Axis

 



As a young adult who has experienced non-celiac gluten sensitivity for nine years, I have understood firsthand the connection between gut symbiosis and cognitive function. However, it wasn't until my undergraduate years that I began to grasp the detrimental effects of a gut-brain axis that is off-kilter. 


For me, inflammation in my gut which created gut dysbiosis began to wreak havoc on my cognitive capacities. Besides physical manifestations of this inflammation such as migraines, I experienced brain fog, memory impairment, and many other cognitive deficits. 


The consumption of gluten in my diet was the primary culprit for inflammation in my gut which translated to cognitive deficits, but gut dysbiosis can occur in a myriad of other forms. Abuse of alcohol, prescription drugs, and refined foods can also contribute to a compromised gut-brain axis. 


So what is the gut-brain axis? Essentially, it is the bidirectional link between the central nervous system and the enteric nervous system of the body. The gut-brain axis combines the parasympathetic and sympathetic, also known as rest/digest and flight/fight, arms of the autonomic nervous system. 


So, modifications in the integrity of the gut-brain axis can affect all aspects of a person's life cognitively, emotionally, and functionally. As the second brain of the body, the gut plays an important role in the effectiveness of neurotransmitters such as serotonin, dopamine, and acetylcholine. These neurotransmitters are integral to the proper function of muscles, regulated emotions, and overall health. 


To maintain a gut-brain axis that is essential for growth, development, and prevention of disease, it is essential not to abuse antibiotics, maintain a healthy lifestyle, and supplement your gut health with probiotics. 



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