Marijuana is commonly misunderstood and many people mistakenly believe it is a harmless drug that can be used recreationally without consequence. Research suggests that prolonged marijuana use can lead to addiction and physical damage to the brain. Addiction is a progressive illness which means it gets worse over time if it is left untreated. This means it is important to spot marijuana use early and provide treatment in a drug rehab center in South Africa as soon as possible. The sooner somebody is treated the less time their addiction will have to wreak havoc in their life.

Gamma-Hydroxybutyric acid (GHB) is a naturally-occurring substance found in the central nervous system, wine, beef, small citrus fruits, and almost all animals in small amounts. It is controlled in many countries because of its potential to be abused.

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Cocaine is abused in two forms: a fine white powder which is snorted up the nose and in "rocks" also known as crack. Crack is made from cocaine by mixing it with other substances. Powdered cocaine can also be dissolved in water and injected intravenously. Drug rehab centers in South Africa have a great deal of experience in treating cocaine addicts from around the world.

Methamphetamine is a psychostimulant and sympathomimetic drug. It affects the central nervous system and creates a "high" that leaves users feeling energized and euphoric. It has a high incidence of abuse partly because of its easy availability and relative inexpensiveness.