Drugs of abuse what are they?

there are the illegal drugs like cocaine, heroin, marijuana and meth and the legal ones that need medical prescription as xanax, percocet, and the such.

By taking them for reasons that they were not prescribed for.

alcohol is one of the most excessively abused drugs, partially because of its addictive traits, and the fact that it is legal. illegal drugs are still abused, however some people may think f any use...

These terms are often used interchangeably, however, substance abuse is a slightly broader category than drug abuse, since some of the substances that people abuse are not really drugs, such as glue,...

Incorrect use.