Researchers affiliated with the Harvard Center for Population and Development Studies have published a study in the American Journal of Public Health that examines the use of sequence analysis as an exposure assessment tool for life course research. Visiting Scientist Erika Sabbath, ScD, who is lead author on the study, collaborated with Research Associate Iván Mejía Guevara, PhD, faculty member M. Maria Glymour, ScD, and Director Lisa Berkman, PhD.