'There is no validity': Unproven blood tests for food sensitivity widely offered in Canada

Two of Canada's biggest labs promote and offer something known as IgG food tests at their labs, marketed as a way to test for food sensitivities. But medical experts call these blood tests "irrelevant," "unvalidated" and "inappropriate" when it comes to tracking food intolerance.

from CBC | Express Feed News https://ift.tt/2CZT6Gn