Dr. Beezhold's main research focus investigates the link between diet pattern and parameters of mental health in healthy populations, particularly comparing the vegan and omnivore diet. Another research avenue explores health outcomes associated with the hunter-gatherer diet compared to the modern diet. As a member of the American Society for Nutrition, she presents her research annually at the Experimental Biology conference, and her work has been published in peer-reviewed journals. Dr. Beezhold regularly acts as a peer reviewer for numerous nutrition and medical journals such as the Journal of the Academy of Nutrition and Dietetics and Pediatrics. She is also a member of the American Public Health Association and the National Wellness Institute.