Most hate it when days get messy due to allergies. Allergies occur when there are overimunitas in the body after exposure to allergens, or substances that the body can not be tolerate. There are also some dangerous risks. It was known that allergies increases blood cancer risks.
After exposure to an allergen, the body will show “rejection”, usually in the form of hives, swelling of the eyes or face, stomach aches, runny nose, itchy throat, and headaches.