Abnormal Reaction of the Body to a Substance
This page is the CodyCross answer for the clue below from Transport, Group 117, Puzzle 4.
Question is: Abnormal Reaction of the Body to a Substance
and the answer is: ALLERGY
Word Meaning:
ALLERGY — (medicine, immunology, loosely) A disorder of the immune system causing adverse reactions to substances (allergens) not harmful to most and marked by the body's production of histamines and associated with atopy, anaphylaxis, and asthma; any condition of hypersensitivity to a substance.
Definitions from Wiktionary.