Some addicts who use methadone claim that they experience effects similar to that of other opiates such as heroin, albeit not to the same extent.
Students, in both high school and college, commonly abuse stimulant drugs such as Adderall and Ritalin to become more attentive and proficient in their studies.
Some Ambien users take more Ambien than is necessary deliberately to get high.
Studies indicate that inhaling nitrates depletes a large amount of cells in the immune system, making it difficult for the body to fight infectious diseases.