How to Quit without Feeling S**t: The Fast, Highly Effective Way to End Addiction to Caffeine, Sugar, Cigarettes, Alcohol, Illicit or Prescription Drugs by Patrick Holford, David Miller This groundbreaking book from the UK's leading spokesman on nutrition looks at why millions of people have cravings for substances such as coffee, sugar and alcohol, as well to drugs such as sleeping pills, antidepressants, marijuana and cocaine.