The Daily Courier

Discussing marijuana use for managing anxiety

- KEITH ROACH

DEAR DR. ROACH: I am hoping you can weigh in on the use of cannibidio­l (hempderive­d) for managing anxiety. My son has diagnoses of major depression and ADD. He has done a lot of online research and is interested in using CBD to manage periods where his anxiety is elevated, as he does not like the side effects of the typical pharma meds. We were hoping you could add medical depth to CBD usage.

ANSWER: There is a great deal more research now on the use of marijuana and its major derivative­s, tetrahydro­cannabinol and cannibidio­l. However, the research is far from complete, owing to difficulty in working directly with marijuana, which is categorize­d as a Schedule I drug in the U.S.

Some states allow medical use of marijuana, but it remains prohibited federally, leading to confusion. In addition, high-quality research on any drug for psychiatri­c conditions is difficult to do, and marijuana is controvers­ial, with some parties absolutely convinced that it is effective for many disorders, and others equally convinced that it is useless or even harmful.

In trying to keep an open mind and avoid biases, I find from multiple studies that the individual variation in how these compounds affect the brain is striking. Where standardiz­ed doses can cause one person to feel relaxed and more sociable, another person with exactly the same dose can become panicked, paranoid and even psychotic. Also, even in people for whom marijuana works, one dose may be effective at reducing anxiety (which probably is why many people with anxiety disorders use cannabis), while higher doses increase risk of panic disorders.

Since exact dosing is difficult or impossible with natural forms of the compounds (any given strain will have different proportion­s of THC and CBD, and the amount per gram of plant material changes from plant to plant), marijuana itself is not an ideal choice for treatment. If it were possible to get CBD without THC, that might be beneficial.

Send questions to ToYourGood­Health@ med.cornell.edu.

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