Question

what do you mean by allergy
how does it occurs , and why


please answer it in your own words​

Answer 1

Allergies occur when your immune system reacts to a foreign substance — such as pollen, bee venom or pet dander — or a food that doesn't cause a reaction in most people. Your immune system produces substances known as antibodies.

Answer 2

Answer:

$\huge \bold \blue{allergy}$

Overview. Allergies occur when your immune system reacts to a foreign substance — such as pollen, bee venom or pet dander — or a food that doesn't cause a reaction in most people. Your immune system produces substances

known as antibodies

mark as brainliest also follow me..