Refining wheat, maize and rice removes their nutritional value, which contributes to preventable diseases such as strokes, diabetes and obesity
Phuti Mahanyele-Dabengwa, chief executive of global internet company Naspers, has held senior posts in investment and development banking. She tells Tshegofatso Mathe about her family life in Soweto and her career, including with Cyril Ramaphosa before he went back to politics