Principles of human nutrition focus on how nutrients affect bodily functions, health, and disease prevention. This book explains digestion, absorption, transport, and metabolism of macronutrients and micronutrients. It explores the roles of proteins, fats, carbohydrates, vitamins, and minerals in energy production and tissue maintenance. Readers learn about nutrient requirements, dietary guidelines, and factors affecting nutritional status. The content supports foundational knowledge for both clinical and public health nutrition applications.
Trixie Morales is a nutrition science educator known for her engaging lectures and research on the physiological basis of human nutrition. She has authored numerous peer-reviewed papers on nutrient absorption, dietary assessment techniques, and health promotion. Her teaching portfolio includes undergraduate and graduate courses, with a special focus on nutrition across the life cycle. She regularly collaborates with health departments to design educational tools for population-level dietary improvement. Her academic interests include nutrient biochemistry, eating behavior, and nutritional epidemiology.