How Your Gut Affects Brain Health

The gut and brain are intricately linked in a fascinating communication network often referred to as the gut-brain axis. This bidirectional pathway involves a complex interplay of:  
1. The Brain-Gut Connection | Johns Hopkins Medicine

www.hopkinsmedicine.org



Nerves: The vagus nerve, the longest cranial nerve, is a primary communication channel between the gut and brain. It sends sensory information about the gut’s state to the brain and also influences gut motility and secretion.   1. Vagus Nerve: What It Is, Function, Location & Conditions – Cleveland Clinic

my.clevelandclinic.org


2. Vagus Nerve as Modulator of the Brain–Gut Axis in Psychiatric and Inflammatory Disorders

www.frontiersin.org


Hormones: The gut produces various hormones, such as serotonin and dopamine, which also affect mood, appetite, and sleep.   1. The ‘Gut-Hormone Connection’ explained – DR.VEGAN

drvegan.com


Neurotransmitters: These chemical messengers are produced in both the brain and gut and influence mood, cognition, and behavior.   1. The Gut-Brain Connection: How it Works and The Role of Nutrition – Healthline

www.healthline.com


Gut Microbiome: The trillions of bacteria residing in your gut play a crucial role in producing neurotransmitters and influencing immune function, which can impact brain health.   1. Neuromicrobiology, an emerging neurometabolic facet of the gut microbiome? – Frontiers

www.frontiersin.org


How the Gut Affects the Brain
Mood Disorders: Imbalances in gut bacteria have been linked to conditions like depression and anxiety.   1. Study looks at ties between anxiety and gut bacteria – UT Southwestern Medical Center

www.utsouthwestern.edu


Cognitive Function: Gut health can influence memory, learning, and concentration.   1. The Brain-Gut Connection | Johns Hopkins Medicine

www.hopkinsmedicine.org


Neurological Disorders: Emerging research suggests a potential link between gut health and conditions like Parkinson’s and Alzheimer’s disease.   1. Researchers Study Link Between the Gut and Brain Health | UMass Lowell

www.uml.edu


Chronic Pain: Gut inflammation can contribute to chronic pain conditions.
Immune Function: A healthy gut microbiome supports a strong immune system, which indirectly benefits brain health.