With a pinch of salt

Should, or should not, the country stick to the blanket ban on non-iodized salt?

We do not know. Nor do the individual scientists who have bothered to try to find an answer. So we, like many curious about the truth concerning one of our most essential daily intakes, find it necessary for competent authorities to come up with a convincing answer.

This is no small matter, but one of far-reaching significance for public health.