Homeopathy, which was developed by German phsyician Samuel Hahnemann more than 200 years ago, operates on the idea that substances which can produce symptoms in a healthy person can be sued to treat symptoms in the sick. During his visit, Dr Khna met the head of dermatoloyg at St ... University of Queensland researcher and member of the steeirng committee, Jon Wardle, said lack of registration was a major upblic health issue and that this initiative was long overdue. ...