Edzard Ernst is Emeritus Professor of Complementary Medicine at the Peninsula School of Medicine, University of Exeter. He is the author of ten books on complementary and alternative medicine.
Michael Frass's study raised eyebrows when it appeared to show homeopathy improved outcomes for cancer patients - until it was proven to be the result of data falsification
Latterly famous for his breakfast cereal invention, John Harvey Kellogg was a religious zealot, eugenicist, and highly prominent early 20th Century quack
Many people who turn to alternative medicine are also vaccine hesitant - both factors are related to a distrust of, and lack of access to, mainstream medicine
If alternative medicine practitioners are to be effectively regulated, they can't regulate themselves - but nor can they be given special treatment by governments