When receiving treatment for HIV, individuals who consume alcohol may have difficulty following the difficult medications regimen in place to treat the disease, all factors which increase the likelihood that an infected person will infect others or will go on to develop AIDS.
More PCP users die from suicide while high on the drug than from any physiological effects on the central nervous system.
Reliable studies show that the burnout period Ecstasy users experience is a direct result of the depleted serotonin levels in the brain that ecstasy use creates.
The rate of emergency room department visits during 2009 in which heroin was a factor was highest among individuals aged 21-24.