In the last few years, there have been many advances in cannabis processing and consumption methods. Concentrated products such as oil and rosin (a sap-like product extracted via heat and pressure) have allowed for cleaner ingestion methods, such as vaporization, to become more widespread. These new technologies have brought more consistent, identifiable dosages to patients and enthusiasts alike, while potentially enabling safer methods of consumption. Finally, more accurate and detailed studies of cannabis effects and usage are underway, as prohibition continues to be challenged.
A 2017 clinical trial published in The New England Journal of Medicine found that CBD was highly effective in reducing seizures in people with Dravet syndrome, a rare form of epilepsy. The FDA subsequently approved an oral CBD solution, called Epidiolex, for treating the rare disease.
Research on CBD
Atkinson emphasized that “CBD, like many other substances, probably should be avoided in pregnancy.” Additionally, since the commercial cannabis market is mostly unregulated, there is no good way to know that what you buy is actually what you get in terms of dosage or content of product. “In studies done by the state of California it appears that a good deal of product labeling is incorrect — the dose or percentage of CBD or THC is usually overstated,” he said.
Some research suggests that CBD may reduce anxiety and self-deprecating thoughts, and there’s evidence that CBD has antipsychotic effects in people with schizophrenia. But other studies show no significant benefit of CBD over a placebo.
“There is a great deal of interest in the possible therapeutic effects of CBD, but there is very little evidence of efficacy,” said Dr. J Hampton Atkinson, co-director of the Center for Medical Cannabis Research (CMCR) at the University of California, San Diego. CBD may have health benefits, but the lack of research in this area means there just aren’t enough data points to support most of the anecdotal claims. Along that same line, the lack of research also means the potential health risks of consuming CBD are unclear.
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