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" ... While the issues inherent in this prisoners-as-guinea-pigs model are undeniable, the effects of the policy can be seen in ways today that make its history more complicated. New drugs were tested on Narco volunteers and then deemed safe or not for release to the general public. This system kept drugs such as ketobemidone out of the general market and restricted their use to hospitals. Narco was also responsible for the development of methadone, which is still used in medically assisted rehabilitation today, and there are still numerous studies that came out of the facility that have positively contributed to the understanding of addiction and treatment. ... "