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Research suggests that cannabis may cause anxiety when it is strong enough or taken in large enough quantity to produce an immediate effect.

Researchers at the University of Colorado Boulder’s Institute of Cognitive Science (ICS) have been awarded a $839,500 grant from the Colorado Department of Public Health and Environment (CDPHE) to study the effects of using high-potency cannabis, informally known as “dabbing.”

Strains of cannabis available for federally funded studies lag well behind recreational markets in both potency and diversity, potentially compromising the validity of research into the drug’s effects.