The rate of drug overdose deaths in the U.S. has increased five-fold since 1990, primarily due to the non-medical use of prescription drugs.
Methamphetamine use can cause impotence while also increasing sexual drive, and some methamphetamine users may use erectile dysfunction medications in an attempt to remedy this.
THC in hashish is a highly lipid soluble which can be stored in fat cells for weeks and even months. It is released very slowly, and unevenly, back into the bloodstream.
Marijuana is produced in practically every region of the world, and is also the most produced illicit drug in the world.