Study Says Ketamine Could Help With Alcoholism. The analysis can be found in the journal, 'Nature Communications.'. The study says one dose of ketamine can "re-do" memories related to what makes people drink. Ketamine, aka Special K, is known to alter people's memories. For the study, a U.K. team observed 90 subjects with "harmful" patterns of alcohol consumption. Some of them were given ketamine and memory therapy. In less than two weeks, the group reported a smaller urge to drink. Over nine months, the study adds that their weekly intake was slashed by 50 percent. We found that heavy drinkers experienced a long-term improvement after a very quick and simple experimental treatment, Lead author Dr. Ravi Das, via study. Learning is at the heart of why people become addicted to drugs or alcohol, Lead author Dr. Ravi Das, via study