The following is what a friend of mine wrote in one sitting after considering the manifold effects of marijuana on the senses. For context, the writer is currently a student at a prestigious university in the southern US, and he enjoys his high quality marijuana very much.
Marijuana as a sensory enhancer.
The psychoactive and euphoric effects of marijuana are caused by THC (tetrahydrocannabinol) and other cannabinoids. One will often notice while on this chemical, food tastes better, music sounds better, movies are better, running is better, etc. Everything is simply better, but why?