According to the 2010 National Survey on Drug Use and Health, about 21 million Americans currently need treatment for a substance abuse disorder. Ninety percent of them will not receive treatment; many will end up incarcerated because of crimes related to their addiction.

Since that report was released, an increasing number of doctors and scientists are calling for more recognition of addiction as a brain disorder. The Los Angeles Times recently reported that Gil Kerlikowske, director of the Office of Drug Control Policy and the leading drug authority in the government, spoke out against current perceptions of addiction in a speech delivered at the Betty Ford Center. Kerlikowske characterized addiction as a “chronic disease of the brain” rather than a moral failing on the part of the individual.…