Crack users are generally going to hold their hit in longer if they're regular smokers, as it does make a difference in the amount your body can potentially absorb. For some users, this goes for meth more importantly.. They fear a rumor being true when holding in your hit, that it crystallizes in your lungs if you hold it in to long. read more
Illicit drug use is the use or sale of any substance that is illegal or otherwise not permitted. These terms are similar because they both refer to using drugs unnecessarily. They are different because substance abuse only describes the use of a drug improperly, while illicit drug use goes to the legal aspect of using drugs. read more