‘Standard THC units’: a proposal to standardize dose across all cannabis products and methods of administration

Background and Aims Cannabis products are becoming increasingly diverse, and vary considerably in concentrations of ∆ 9 ‐tetrahydrocannabinol (THC) and cannabidiol (CBD). Higher doses of THC can increase the risk of harm from cannabis, while CBD may partially offset some of these effects. Lower Risk Cannabis Use Guidelines currently lack recommendations based on quantity of use, and could be improved by implementing standard units. However,...