Billions and billions of THC molecules, winding their way within veins, passing through the violent pumping whirlpool of the heart, then thrust out with great force via the arteries and capillaries of the circulatory system, carried along by red blood cells, pushed upwards against the force of gravity, towards their final destination in the cerebral cortex, where they take one final step through the blood/brain threshold and into the roiling soupstuff of consciousness…