“…The Δ 9 -THC remains the principal psychoactive ingredient, while trace amounts (i.e., <0.2%) and the CBD are legal for medical uses in many countries such as several US states and other jurisdictions in Europe and South and Central America (Portugal, Spain, Belgium, Portugal, Argentina, Colombia, Jamaica) and Asia (Thailand) [ 15 , 77 ]. Non-medical use has only been legalized at a federal level in two countries, Uruguay and Canada, while decriminalized personal use had been legislated in the Netherlands [ 78 , 79 ]. Growing cannabis plants that contain <0.2% Δ 9 -THC (referred to as hemp) is legal, and the sale of hemp-based products, if they contain any detectable amount, are also allowed in some countries like Thailand [ 15 , 78 ].…”