Blackout {Ans: A period of time that an intoxicated person can not recall}psychoactive drug {Ans: A chemical that affects brain activity, mood altering drugs}side effect {Ans: An unwanted physical or mental effect caused by a drug}carcinogen {Ans: chemical known to cause cancer}physical dependence {Ans: condition in which a person develops a tolerance to a drug and the drug becomes necessary or the person experiences withdrawal symptoms}misuse {Ans: the incorrect use of an over-the-counter or prescription drug}Blood alcohol Concentration {Ans: The amount of alcohol in a person's blood, expressed as a percentage}medicine {Ans: A legal drug that helps the body fight illness, injury, or disease}pharmacist {Ans: health professional who dispenses medicine prescribed by other health professional}Intoxication {Ans: The state in which a person's mental and physical abilities are impaired by a substance}addiction {Ans: Strong craving for a drug}tolerance {Ans: a condition in which the body becomes used to a substance}environmental tobacco smoke {Ans: A combination of sidestream and mainstream smoke}drug abuse {Ans: Intentional improper use of drugs}tar {Ans: A dark sticky substance that forms when tobacco burns}Overdose {Ans: Consequence of taking excessive amounts of a