In March 2016, Charles E. Matthews, Ph.D., was awarded scientific tenure by the NIH. Dr. Matthews studies the relationship between physical activity behaviors and the development of cancer in humans. In particular he seeks to understand how the full spectrum of physical activity behaviors influences cancer risk, the dose-response relationship between active and sedentary behaviors and cancer, and the biological mechanisms underlying these relationships.
Dr. Matthews’ methodological research addresses the need for better tools to assess physical activity behaviors in large population-based studies. Self-reported information about active and sedentary behaviors from questionnaires that rely on long-term recall/averaging are known to be prone to measurement error.