b'ILLUSTRATION BYMaribel Quino, ninth gradeThe Philadelphia High School for Girls (Girls High) contributor Sandra L. Bloom, M.D., is a psychiatrist, graduate of Temple University School of Medicine, and associate professor at the Dornsife School of Public Health, Drexel University. Her pioneering work in traumatic stress studies spans 40 years, and she is the author of a series of books on trauma-informed care.4'