This is medically known as increased intestinal permeability, but is also called a "leaky gut" by many. If you suffer with increased intestinal permeability, larger molecules, chemicals ...

I figured the rash would go away eventually ... However, let's not forget that both of these factors can lead to leaky gut, ...

This “leaky gut” can cause issues with digestion (constipation, diarrhea, gas and bloating), skin rashes, runny nose and ...