On the night of Dec. 6, as hundreds of pot smokers were celebrating the passage of I-502 by lighting up en masse for the second night in a row at the Space Needle, I wondered if any of my former clients were there. I could imagine the relief some of them might feel at being able to smoke in public, not at the margins but right in the thick of a crowd of like-minded others.
During my training some years ago at a community counseling center, I got to know people whose relationships with marijuana seemed to straddle a hard-to-navigate line between addiction and self-medication. I remember people who couldn’t afford to buy vegetables — or to pay $15 for a therapy session with a trainee — who managed to come up with $300 per month for their dealers.
Typically, the people I worked with at the counseling center felt a fondness for marijuana that they did not feel for prescribed psychiatric medications. Zyprexa and Lamictal were difficult facts of life, but pot was a friend.
Many said they found cannabis relieved their anxiety and depression, made it possible for them to leave the house and face the world. Judging by my own experience and that of many of my colleagues, as well as a host of online message boards, marijuana is one of the most popular and widely-used unprescribed treatments for mental health problems, ranging from anxiety and depression to attention-deficit and bipolar disorders.
Yet using marijuana is also considered a diagnosable mental-health disorder. In the current edition of the Diagnostic and Statistical Manual of the American Psychiatric Association (the DSM-IVTR), use of a substance is considered to be “abuse” if the user engages in risky or self-damaging behavior in order to use it. By definition, using an illegal substance is risky. And other risks have been identified, including that the main psychoactive compound in marijuana may induce or worsen psychosis.
Now that marijuana is at least a big step closer to being legal in Washington — legal by state law, with federal authorities deciding which if any steps to take to enforce federal prohibitions — is it any closer to becoming a recognized treatment for depression, anxiety or other mental health conditions? And should it be? Does marijuana have the potential to serve as a valuable, reasonably safe addition to the available medications for mental health?
This question is, in part, being fought out in the political process, where advocates make their cases in black and white. Meanwhile, those of us who work in the mental-health profession are considering it in the same way we are trained to approach most questions: by trying to be thoughtful, trying to allow for reasonable doubts and concerns, aiming for a more complete understanding of a complex reality. When I talk with colleagues about the question of marijuana as a treatment for mental-health conditions, I don’t hear any easy answers.
Therapy is a conversation between a person who is there to voice needs, fears and desires, and another person whose job is to be a benign skeptic, listening with an active interest in the other’s well-being but without personal agendas or judgments.
In my role as a therapist, I see reasons to doubt the claims of political advocates on either side of the marijuana debate. My counseling-center clients who used marijuana typically suffered from side effects, but then the same was true for many who took prescribed medications.
Some things are known about marijuana’s effects on the human nervous system. Its main psychoactive compound, called THC, closely mimics a neurotransmitter called anandamide, which is named for the Sanskrit word for “bliss.” THC molecules attach to anadamide receptors in various parts of the nervous system, including the dopamine-generating so-called “pleasure center,” the nucleus accumbens.
Depending on many intricate and unpredictable factors, the THC-mediated boost in dopamine activity can make a person feel imaginative, brilliant, comfortable, painless — or it can fuel paranoia and set the heart racing. Or interfere with memory. Other compounds in marijuana are thought to have anxiety-quelling tendencies to counter THC’s anxiety-provoking effect, and marijuana dispensaries advertise unverifiable claims as to the potency and pharmacological effects of different cannabis cultivars.
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