There is no scientific case for homeopathy: the debate is over Edzard Ernst Pharmacists who sell homeopathic remedies as anything other than placebos are putting their customers’ health at risk H omeopathy has been with me all my life. As a boy, I was treated by homeopaths; my first post as a junior doctor was in a homeopathic hospital, later I researched homeopathy and published more than 100 papers on the subject, and finally I summarised the entire experience in a memoir entitled A Scientist in Wonderland . In 1993, when I became professor of complementary medicine at Exeter, I was more than happy to give homeopathy the benefit of the doubt. I would have loved to show that it is effective beyond placebo, not least because anyone doing that would almost automatically deserve a Nobel prize. He or she would have to show that a sizeable chunk of our understanding of the laws of nature is quite simply wrong. Homeopathy is based on the belief that “like cures ...