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Why food particles are not consider as foreign substances by our immune cells?


Date: 25 Dec 2015   Posted By: sanathoi wahengbam     Group: Science and Technology    Category: Science   

We all know that food gives us nutrients for growth and development. Any foreign substances which interfere our body are recognized by immune system and results in immune response. Why food particles are not considered as foreign substance? And moreover why some people are allergic to some food? So, what decides foreign substance in our body as some food are allergic and food we eat which give energy for our life?

Wonder how our immune system identifies foreign substances and reacts accordingly? Know the reason behind this fact.


Author: Vedansh Airen    30 Dec 2015      Member Level: Bronze     Points : 2  (Rs 2)    Voting Score: 0


Practically, food is also a foreign substance. It isn't considered hazardous by our immune system because our food is indirectly food of the cells of our immune system too. Some people are allergic to some food (example some people are allergic to strawberries), this is possible when there is either excess presence of that nutrient in his body or he has got heredity of that allergy by his parents.
Our immune system sends message to our brain whenever we eat something, so if we eat something we are allergic to, our brain figures it out (most of the times) and sends us message back in form of sneezing, weeping etc.
Hope my answer helped you.


Author: DEEPANKAR DAS    14 Jun 2016      Member Level: Silver     Points : 2  (Rs 2)    Voting Score: 0

The immune system of our body identifies germs such as bacteria or virus and destroy it. So, our prevents our body from sickness. Sometimes our immune system mistakenly targets a harmless food protein(allergen) and attacks it.
Generally there are twelve foods that causes food allergy. They are -
Egg, Fish, Meat, Milk, Shellfish, Soy, Wheat, Peanut, Treenut, Seeds, Spices, Corns. Some uncommon foods also give allergy.
A person who has food allergy should be consult to a food nutricient or Doctor and avoid that food from diet.





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