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placebo - n. a shot, pill, or substance that is given to patient like a drug but that has no physical effect on the patient
inflammation - n. a condition in which a part of your body becomes red, swollen and painful
dose - n. the amount of medicine or drug that is taken at one time
tremendous - adj. very large or great
stage - n. a particular point or period in the development of something
confident - adj. having a feeling or belief that you can succceed
