What Causes Food Allergies?

Allergies are caused due to entrance of foreign particles known as "Allergens" in the body.Or can be said it is caused due to hyperactive response of human body foreign substances.Food allergies occur when the immune systems attack on certain proteins in certain foods. The substances in the food that trigger this immune-system response are called allergens.The immune system is a complex network of cells and molecules that help defend the body against foreign substances. When a properly functioning immune system detects a foreign substance, it responds to this threat by producing proteins called antibodies against the invaders. The antibodies will recognize and attack this foreign substance when they next encounter it. This "battle" is what causes the allergy The body's exaggerated reaction to a foreign substance that is harmless to most people.Immune system is involved in a reaction to be considered as allergic reaction.The symptoms may be there due to eating,exhaling or injection of those foreign particles.

Food allergies are causes when the immune system mounts an attack on certain proteins in certain foods. The substances in the food that trigger this immune-system response are called allergens.