Depression – n. a serious medical condition in which a person feels very sad, hopeless, and unimportant and often is unable to live in a normal way
Diagnose – v. to recognize (a disease, illness, etc.) by examining someone
Placebo – n. a harmless pill, medicine, or procedure prescribed more for the psychological benefit to the patient than for any physiological effect.
Therapy – n. treatment intended to relieve or heal a disorder.