Photo by @Mehaniq  on  Twenty20.com Marijuana is an illicit substance taken most often by means of smoking. A cigarette rolled with marijuana is called a joint. A cigar rolled with marijuana is called a blunt. The drug can also be smoke through a pipe or a bong. Regardless of how marijuana is taken, it is harmful to the body, impairs judgment and its use is an incredible liability to companies. What is THC? Tetrahydrocannabinol or THC in its abbreviated form is the…