Marijuana is made of the crumbled leaves, stems, seeds and flowering tops of the hemp plant, according to the American Council for Drug Education. It contains more than 400 chemicals and when smoked produces more than 2,000 chemicals, all of them harmful, according to the ACDE. The chemical that results in the “high” is delta-9-tetrahydrocannabinol or THC. According to the ACDE, smoking one joint “can leave traces in the body for three or four weeks. A habitual user is never free of the chemicals and actually builds them up with continued use.” Local health leaders say marijuana isn’t as innocent...