Dr. Marlene studied Medicine at the National University of San Marcos, Peru and graduated with an MS in Clinical Nutrition in Spain and Biological Aspects of Nutrition in Peru. She is a pediatrician and researcher at the Faculty of Medicine of the University of Valladolid. She has a MD in Health Sciences Research in Spain. She is a peer reviewer for the MDPI editorial, International Journal of Environmental Research and Public Health and Medicine. She is very interested in food security and food biofortification, in the nutritional status of patients with malnutrition and chronic diseases, especially in childhood and adolescence.