The South African government’s optimism regarding cannabis as a potential source of job creation and revenue generation may be misguided, and poses a public health risk.
It is important to establish the adverse health effects of THC (△-9-tetrahydrocannabinol), the main psychoactive ingredient in cannabis, before discussing hemp. Claiming that a substance is harmless simply because it is plantderived is inaccurate, as there are numerous examples of plants that are harmful or toxic to humans, such as hemlock and nightshade. Additionally, certain plants, such as the tobacco plant, opium poppies and the coca plant, have addictive properties, and are used in the production of cigarettes, heroin and cocaine, respectively.
Consuming cannabis induces intoxication that impairs the brain's executive functions associated with attention, concentration, decisionmaking, self-control, reaction time, verbal fluency and working…