Most experts agree that people develop cancer mainly through repeated or prolonged contact with one or more cancer-causing agents, known as carcinogens.
Culumada Sayniska ayaa isku raacday in dadka uu ku dhaco kansarka qaarkood marka ay si isdaba joog ah amaba waqti dheer la kulmaan mid ama dhawr ka mid ah waxyaabaha la yiraahdo kansar-keene.