For in what's considered a legal drug, it must have clearly defined laws, legislation, stated that it is not a drug. Even if it is coupled with an addiction to things that addicting.
In what is considered legal drugs must be prescribed by law clearly stated that if no law was not on drugs. Although the drug is effective or causes addiction.
In what is considered for legal drugs shall be clearly defined laws without the law stated that it is not a drug. Although the drug is the effect that cause addictive.