This Is Meth Everyone has a different way of seeing the world. We all make choices based on our perceptions. Many people even have different thoughts about drug use and the safety of using drugs. Some young people report that they believe the drug they are taking is pure, safe, or of a better quality than other drugs. This is a potentially dangerous belief. When using street drugs, there is always the risk of impurities and unknown dosage levels. The purity of drugs bought on the street varies from place to place and day to day. This makes it almost impossible to know exactly what a drug may contain. [continues 116 words]