Championed eliminating racial health disparities, especially infant mortality, HIV/AIDS, and care for minorities.

Illuminated how structural racism harms health, documenting worse outcomes for Black Americans and other marginalized groups.

Improved tobacco-cessation and chronic-disease outcomes among Latino communities and other underserved groups.

Advanced equity by addressing police violence as a health issue and improving COVID-19 vaccine access for Black and Brown communities.

Fought cancer inequities by exposing delayed diagnoses and poorer treatment among Black patients and underserved communities.

Tackled childhood trauma and toxic stress, highlighting disproportionate impacts on Black and low-income children.