Leigh Greathouse, PhD, MPH, MS, RD

Dr. K. Leigh Greathouse is an Associate Professor at Baylor University with joint appointments in the Department of Biology (College of Arts & Sciences) and Nutrition Sciences (Robbins College of Health and Human Sciences). A cancer biologist, epidemiologist, and registered dietitian, her work focuses on understanding how diet and the microbiome converge to influence cancer development, treatment response, and survivorship. Her research is driven both by her expertise in molecular biology and her personal experience as a young adult cancer survivor, fueling her passion for advancing precision nutrition approaches to improve cancer outcomes.

Current Research Interests

• Diet–microbiome interactions in cancer development and treatment
• Mechanisms of microbiome–host inflammation
• Gastrointestinal carcinogenesis
• Precision nutrition approaches to improve cancer therapy response

Current Courses Taught

• NUTR 2351 – Nutrition
• NUTR 5354 – Public Health Nutrition
• NUTR 5355 – Macronutrients and Metabolism