Many<unk><unk>  and misconceptions about<unk>  have been created and circulated among young people and the general public, with varying degrees of veracity. These are commonly repeated by organizations which oppose all classified<unk> use, often causing the true effects and dangers of<unk>  to be misunderstood and less scrutinized. The most common subjects of such false beliefs are LSD, cannabis, and MDMA. These misconceptions include misinformation about adulterants or other black market issues, as well as alleged effects of the pure substances.
Urban legends about drugs
Modesty in medical settings
Personal medicine
Single-use medical devices
Counterfeit medicines online
Positions of medical organizations on electronic cigarettes
Mental health trust
Living medicine