The consequences and risks associated with marijuana use may seem to be lower than for heroin or cocaine, but due to the high rates of use of the drug worldwide the health impacts are still substantial.
Research indicates that "huffing" may cause low birth weights, skeletal abnormalities in newborns and delayed neurological development.
Methadone often takes 20 to 24 hours to leave the body once it's been taken, but this can vary from person to person.
Major heroin withdrawal symptoms peek about 48 and 72 hours after the last heroin dose and subside after about a week.