Studies indicate that most inhalants are extremely toxic and that "huffing" can often have fatal consequences.
Some individuals who use fentanyl recreationally and acquire the drug illicitly may purchase mixtures of fentanyl and other drugs such as heroin or cocaine.
Studies indicate that there is a higher prevalence of methamphetamine use among gay males than among the general population in the United States.
Women who are pregnant are urged to never use LSD or any other type of drug.