The data in the paper is obtained solely from questionnaire results obtained from two groups of people: the first comprised people from the UK national group of consultant psychiatrists who were on the Royal College of Psychiatrists’ register as specialists in addiction, while the second comprised of people with experience in one of the many areas of addiction, ranging from chemistry, pharmacology, and forensic science, through psychiatry and other medical specialties, including epidemiology, as well as the legal and police services; the experts are not named and were chosen by the authors.