kadonye wrote:If fluoride in water causes brown teeth, why does it happen that some people using the same water will not get their teeth discoloured?
just like every one living in a malaria prone area will not be infected.
why is it that when u drag a bottle top on the cemented floor some people will be irritated while others not? answer, not all the teeth are tha same.
African parents don't know how to say sorry.. the closest you will get to a sorry is a 'have you eaten'