Dr Barbara R Cardoso is a nutritional biochemist with a Masters and a PhD from the University of Sao Paulo (Brazil) and international experience attained from research appointments in Brazil and Spain. She has developed breakthrough studies that combine her skills in nutrition, clinical trials, analytical chemistry, proteomics and molecular biology to unravel the biochemistry of selenium and its implications in age-associated cognitive decline and Alzheimer’s disease. She also has an interest in investigating the intake of nuts as a dietary strategy to slow age-associated cognitive decline.