Scientists have uncovered a surprising new pathway behind life-threatening food allergies. Instead of histamine, a different chemical called leukotrienes drives severe reactions in the gut. These ...

Food allergy, or the aggressive immune system reaction following the consumption of a certain food or food ingredient, ...

Depending on one's perspective, "mast cell activation syndrome (MCAS)" is either a relatively rare, narrowly defined severe allergic condition or a vastly under-recognized underlying cause of multiple ...