There are some seasons in which the human body becomes so sensitive and suffer from allergies, to be repeated sneezing due to dust, cold or unfriendly weather. But according to scientists, it turns out that such allergy is good for as health.

Researchers from Yale University found that conditions such seasonal allergy is a sign that your immune system function works properly. The proof is in the presence of symptoms of sneezing when foreign objects such as dust entering the respiratory system, or drop temperature quite extremes than usual.

There are different types of immune responses to combat various types of pathogens. To fight viruses and bacteria, type 1 reacts with immunity to directly kill infection or the pathogen.

Whereas type 2 immunity, which the body stimulates the T body cells and antibodies to fight toxins or foreign objects from the outside environment. Scientists focus on the study of type 2 when learning about allergies.

Well, this second type of immune system that makes a person experiencing symptoms of seasonal allergies such as sneezing.

Quoted by FoxNews, the scientists argue that even though sometimes seems very disturbing and troublesome because someone had to repeatedly sneezing, but allergy is actually a good sign for health.

Allergies have been shown to protect human body from the attacks of parasites, harmful chemicals, animal venoms, and environmental irritants with a very simple way, namely sneezing.