Δ-9-Tetrahydrocannabinol, known as THC, is the most important and the most abundant psychoactivecomponent of cannabis. The non-psychoactive varieties, such as hemp, must have a percentage of THC below 1%, according to the international regulations. The percentage of THC in psychoactive plants depends on the growing conditions, it can range from very low concentration levels to over 25%.
As detected in numerous samples, the potency has increased over the past few decades. In the early 1990s, the average THC content in analysed samples was less than 3.7%, in 2014 it was more than 6.1%, and in 2018 has increased to 15%.
The chemical structure in THC is very similar to the brain chemical anandamide, this is the reason why allows drugs to be recognized by the body and to alter...
