Dr. Farhad Vahid is a researcher in nutrition sciences with a strong focus on nutritional epidemiology, inflammation, oxidative stress, and diet-related cardiometabolic and cancer outcomes. His work integrates population-based cohort studies, case–control designs, and advanced statistical modeling to investigate dietary patterns, nutrient quality indices, and their mechanistic links to metabolic health, aging, and chronic disease risk. He has contributed extensively to international, multidisciplinary research collaborations and has played an active role in grant-funded projects addressing personalized nutrition, healthy aging, and sustainable dietary behaviors. With a scholarly output of 100 peer-reviewed documents, his research has accumulated 1,564 citations and achieved an h-index of 22, reflecting consistent impact in the fields of nutrition and public health. His publications span high-quality journals and include contributions to reviews, original research, and translational nutrition science, advancing evidence-based strategies for disease prevention and health promotion through diet.