Heroin is a highly addictive and rapidly acting opiate (a drug that is derived from opium). Specifically, heroin is produced from morphine, which is a principal component of opium. Opium is a naturally occurring substance that is extracted from the seedpod of the opium poppy.
Methamphetamine is a synthetic (man-made) stimulant that is highly addictive. The drug is abused because it produces euphoric effects, sometimes described as a sense of well-being that can last up to 24 hours. Methamphetamine is inexpensive and relatively easy to produce, making it affordable and readily available to teenagers.
Crystal methamphetamine is a colorless, odorless form of d-methamphetamine, a powerful and highly addictive synthetic (man-made) stimulant. It typically resembles small fragments of glass or shiny blue-white “rocks” of various sizes. Crystal meth,typically has a higher purity level and may produce even longer-lasting and more intense physiological effects than the powdered form of the drug.
Powdered cocaine (cocaine hydro- chloride) is a stimulant that is extracted from the leaves of the coca plant, which is native to South America. In the late 19th century cocaine was used as an anesthetic, but the availability of safer drugs rendered many of its medical applications obsolete. Today powdered cocaine is abused for the intense euphoric effects it produces.
Crack cocaine is a highly addictive and powerful stimulant that is derived from powdered cocaine using a simple conversion process. Crack emerged as a drug of abuse in the mid-1980s. It is abused because it produces an immediate high and because it is easy and inexpensive to produce, rendering it readily available and affordable.
Marijuana is the mind-altering substance produced from a plant with the scientific name Cannabis sativa. The drug is used because its primary active chemical, tetrahydrocannabinol (THC), may induce relaxation and heighten the senses. Marijuana remains the most used illegal substance among youth.