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    Sessions taking a dangerously unhealthy approach to battling opioid epidemic

    States that have legalized medical marijuana may soon find themselves in greater conflict with the US Department of Justice, as it seeks to end the country’s “historic drug epidemic” (“Sessions seeks to prosecute cannabis dispensaries,” June 14).

    Recent science tells us that reducing access to medical marijuana does not lead to declines in opioid use. In fact, it is very likely that the opposite is true.

    Numerous studies published in influential medical journals have found that greater availability of marijuana may reduce the frequency and amount of opioid consumption. Medical marijuana patients report that they substitute marijuana for alcohol, prescription medications, and illicit drugs, in part to reduce adverse effects such as craving and withdrawal. And in states that have legalized medical marijuana, there are lower rates of death from opioid overdoses.


    The opioid crisis is harming families in Massachusetts and across the United States, and it deserves an evidence-based public health response. These is no scientific reason to think that that response should include reductions in access to medical marijuana.

    Jane A. Allen

    Center for Health Policy Science and Tobacco Research

    Public Health Research Division

    Nicholas C. Peiper

    Behavioral and Urban Health Program

    Behavioral Health and Criminal Justice Research Division

    RTI International