Abafite umubyibuho ukabije bafite ibyago byinshi byo kurwara cancer zitandukanye
Abahanga mu bya siyansi bavuga ko ibyavumbuwe bishya bishobora gusobanura impamvu abantu bafite umubyibuho ukabije baba bafite ibyago byinshi kurushaho byo kurwara kanseri. Itsinda ry’abashakashatsi...