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allergy - n. a medical condition that causes someone to become sick after eating, touching, or breathing something that is harmless to most people.
significant - adj. large enough to have an effect or to be noticed
participant - n. a person who is involved in an activity or event
regulator - n. government official who controls a public activity by making and enforcing rules
monitor - v. to watch, observe, listen to and check something for a purpose over a period of time
