The patients given a placebo in the course of clinical trials receive much more than a pharmacologically inert substance. Like the patients receiving the experimental drug, they (i)____________ a thorough medical evaluation, a chance to discuss their condition with competent professionals, a diagnosis, and a treatment plan. Although viewed by many as (ii)____________ the healing process, these factors may actually provide an important clue as to why placebo often work: they are part of an experience that can itself be a (iii)____________ illness. A. get B. essential for C. research laboratory for D. avoid E. incidental to F. powerful antidote to G. welcome H. consequences of I. breeding ground of