One meta-analysis of 89 placebo controlled clinical trials on the effect of homeopathics found that:

 

"...we found insufficient evidence from these studies that homeopathy is clearly efficacious for any single clinical condition."

 

Linde K, Clausius N, Ramirez G, Melchart D, Eitel F, Hedges LV, Jonas WB., 'Are the clinical effects of homeopathy placebo effects? A meta-analysis of placebo-controlled trials.', Lancet 1997 Sep 20;350(9081):834-43



A good article that documents the falsehood of the vast majority of the claims of the homeopaths is here:



http://www.phys.hawaii.edu/vjs/www/med/homeop.html

 

Blake