Amphetamines suppress appetite and some users can often fail to eat properly which causes them to develop various illnesses related to vitamin deficiencies and malnutrition.
Individuals who wish to prevent the onset of heroin or methadone withdrawal will often use OxyContin to alleviate or prevent withdrawal.
Drug-induced changes in brain function directly affects the way an addicted individual exerts control over the impulse to use drugs despite the negative consequences-the defining characteristic of drug addiction.
Drinking alcohol in excess accounts for 2.3 million years of potential life lost (YPLL) annually, or an average of about 30 years of potential life lost for each death.
Ages 18-24 are the peak years for onset and intensification of the most common mental health problems among youth, including alcohol abuse.