Date of Award

Spring 2025

Document Type

Honors Thesis

Department/Major

Arts and Sciences

First Advisor

Wynette Mockler

Second Advisor

Dr. Mary Jo Olson

Third Advisor

Christina Dyer

Keywords

Gut-Brain Axis, Nutrition, Diets, Public Health, Mental Health

Subject Categories

Alternative and Complementary Medicine | Food Science | Health Psychology | Nutrition | Public Health

Abstract

Research regarding the role of the human microbiome has grown over the years as professionals develop a better understanding of the gut-brain axis. New studies and expanding knowledge on the relationship between the nervous system and gut microbiome promote a deeper understanding of the impact of diet on mental health. Diet plays a crucial role in maintaining a healthy balance between the gut and the brain. Incorporating nutritional modulators, such as probiotics, prebiotics, and vitamins, is crucial for supporting the gut-brain axis by influencing neurotransmitter production, managing inflammation, and promoting the growth of beneficial gut bacteria. On the other hand, poor dietary choices can contribute to dysbiosis, which in turn can lead to cognitive and emotional disturbances. Imbalance in the gut-brain axis has been linked to various psychiatric disorders, including depression and anxiety. Recent studies suggest that dietary interventions alleviate symptoms of mental health disorders. Similarly, research indicates that a balanced diet is crucial for preventing neurological and psychiatric disorders by supporting brain health. Recognizing the importance of public health in this context demonstrates the need for nutritional education and policies that promote gut health to improve overall well-being. This paper will analyze previous studies discussing the relationship between diet, nutrition, and mental health. After analyzing the results, the paper will examine how they may impact mental well-being.

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