Frye says, that he (a homeopathy expert) and Iris Bell recently studied homeopathic treatment of fibromyalgia.  A new analysis - comparing published studies of homeopathic drugs to matched, randomly selected studies of medical drugs - suggests that these apparent homeopathic drug effects are merely placebo effects.
Research suggests the perceived effects of homeopathic drugs may be due to the placebo effect.
( z1 suggest :ARG0 ( z2 research ) :ARG1 ( z3 possible :ARG1 ( z4 cause :ARG0 ( z5 effect :mod ( z6 placebo ) ) :ARG1 ( z7 affect :ARG0 ( z8 drug :mod ( z9 homeopathy ) ) :ARG1-of ( z10 perceive ) ) ) ) )