Susan M. Bailey, PhD

Professor, Department of Environmental & Radiological Health Sciences
Director, Cancer Biology & Comparative Oncology Program of Research and Scholarly Excellence
Colorado State University, Fort Collins, CO  80523


We assessed telomere length and intimately related DNA damage responses in twin astronauts Scott and Mark Kelly, and ten unrelated astronauts before, during, and after one-year or 6-month missions aboard the International Space Station.  Our findings provide potential mechanistic insight, and reveal important differences in individual responses to long-duration spaceflight.