The emotional development of adolescent users may be interrupted. Marijuana use also causes amotivational svndrome. This means that the user will lose interest in activities and lose drive and motivation. 3.1 million used the drug daily. Two such Methamphetamines are crank and ice.
Crank refers to any form of methamphetamine.
Ice is a crystallized smokeable chunk form of methamphetarnine that produces a more intense reaction than cocaine or speed. Ice has an appearance that is clear and crystal-like, and resembles frozen ice water. Methamphetamines stimulate the central nervous system, and the effects may last anywhere from 8 to 24 hours. Crank and ice are extremely addictive and produce a severe craving for the drug. The crash, or low feeling is more intense and longer lasting than both speed and cocaine.