University of the Witwatersrand May 15 2025 Genetic factors contribute to some 30% of breast cancer cases in SA, necessitating investment in genomic research in African contexts. A seminal genetic study published in Nature Communication has discovered two genetic variants linked to breast cancer in black South African women, deepening knowledge about the genetic basis for this disease in African populations. The genome-wide association study (GWAS) of breast cancer is the first to have been