The perception that alcohol use is socially acceptable is evident in the fact that more than 80% of American youth consume alcohol before their 21st birthday.
When an individual injects, sniffs, or swallows an opiate, the drug travels quickly to the brain through the bloodstream.
Withdrawal symptoms from heroin begin within 24 hours after last use and may last up to 7-10 days.
Smoking is the most typical route of administration of crack.