New Research Challenges Popular Belief: CBD May Not Reduce THC's Psychoactive Effects

A comprehensive systematic review published in Neuroscience and Biobehavioral Reviews challenges the long-held belief that CBD mitigates THC's psychoactive effects. Contrary to popular cannabis culture wisdom, researchers found that concurrent CBD and THC consumption does not decrease systemic THC exposure and may actually increase blood levels of 11-hydroxy-THC, the cannabinoid's most potent metabolite. This finding has significant implications for patients using cannabis therapeutically for anxiety, pain management, and other conditions who have relied on high-CBD strains to moderate THC's intensity. Understanding this pharmacological interaction is crucial for healthcare providers and patients in Puerto Rico's medical marijuana program to make informed dosing decisions and strain selections.
Originally published on
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Read full article(opens in new tab)Fetched: September 7, 2026 at 10:02 AM



