Allergens are foreign substances that are not typically harmful to our bodies. Immune system response to these foreign substances and can cause allergy. These foreign substances may include pet dander, pollen, or certain types of food.
The immune system is the natural security system of the body. It attacks everything that it considers is harmful to the body and it protects us.
The response of the body is different depending on the type of allergen. The response may be in the form of sneezing, inflammation, or any other.
The immune system considers dander allergies as an ou