Carfentanil is a synthetic opioid similar to fentanyl, but much stronger. It is used primarily as an animal tranquilizer but has recently made its way into the illicit drug supply via the black market resulting in numerous overdose deaths.
Yes. Cocaine is a highly addictive stimulant drug that acts by speeding up the central nervous system. Over time, cocaine use will change the chemistry in the brain resulting in tolerance and addiction.