no better than placebo.
UK House of Commons: Science and Technology Committee report ‘Evidence Check 2: Homeopathy.
Edzard Ernst: A systematic review of systematic reviews of homeopathy.
It was time that this got a repost; time and time again, the best performed trials and research in to if homeopathy is efficacious, provides a resounding negative result.
But, I think this goes deeper than looking at the evidence.
The key problem is why people THINK they work; and that largely comes down to human psychology, and the failure to recognize a regression to the mean.