The resulting liquid contains unpurified cocaine alkaloids and may additionally contain waxy material from the leaves. This waxy material can be removed by heating and then cooling the mixture, a process that solidifies the unwanted wax. According to the North Dakota Attorney General’s office, state legislation which controlled sale of over-the-counter cold medications like Sudafed reduced the number of local labs significantly from 190 lab incidents in 2005 to 40 in 2006. Facts about heroin and how it makes the user feel depends on how much they use, their tolerance, weight, and how often they use. The “high” from heroin can last anywhere from 2 to 8 hours. However, the average is 2-4 hours. The initial rush lasts a couple of minutes, and then a feeling of warmth and tiredness takes hold and lasts the duration. Marijuana is the most commonly abused illicit drug in the United States. It is a dry, shredded green and brown mix of flowers, stems, seeds, and leaves derived from the hemp plant Cannabis sativa. The main active chemical in marijuana is delta-9-tetrahydrocannabinol; THC for short. | 
