Is Smoking a Risk Factor in Phood Elergies?

The environment plays a really important role on our genes in terms of what gets switched on. If i don't get exposed to some environmental talks in or stress, it may never express. But the other thing that's crazy about it is the switched on ness of a gean can be hereditary. And so i think what i dread is there's evidence that having a parent or grandparent who smoked, even if the kid was never exposed to the smoking, is a risk factor for phood elergies.