Given the disproportionate impact of COVID-19, it is important to understand factors that may underlie Black American emerging adults' adherence to safety guidelines that could potentially reduce spread of illness and hospitalization. The current study examined how COVID-19 worry about mental health (CWMH) and COVID-19 worry about physical health (CWPH) predicted use of face masks, and whether perceived discrimination moderated these relations. The sample included 164 Black American emerging adults, age 18-25 (