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Health Definitions

Drug A chemical substance that is taken to cause changes in a person's body or behavior
Medicine A legal drug that helps the body fight injury, illness, or disease
Addicton The state of losing control over the use of a drug; it is accompainied by a string craving for the drug
Dependence The condition that results when the brain develops a chemical need for the drug and cannot function normally without it
Physical Dependence The body needs the drug
Psychological Dependence The mind wants the drug
Withdrawl A group of symptoms that occur when a dependent person stops taking a drug
Tolerence The condition that results when repeated use of a drug causes it to have less of an effect on the brain
Drug Interactions When two drugs interact to produce effects greater than either drugs would produce by itself
Drug Use Using a substance or chemical
Drug Misuse The improper use of medicines---either prescription or over-the-counter drugs
Drug Abuse The intentional improper or unsafe use of a drug
Prescription Drugs A drug that can be obtained only with a written order from a doctor and can be purchased only at pharmacies
Over-The-Counter Drugs (OTC) A medicine that is sold legally in pharmacies and other stores without a doctor's prescription
Stimulants A type of drug that increases the activity of the nervous system
Depresants A drug that slows brain and body
Hallucinogens A drug that distorts perception, thought, and mood
Club Drugs Drugs that first gained popularity at dance clubs and raves
Inhalants A breathable chemical vapor that produces mind-altering effects
Anobolic Steroids An artificial form of male hormones testosterone that is used to increase muscle size and strength
Marijuana A drug that is made from the leaves, stems, and flowering tops of the hemp plant
Gateway Drug A term used to describe marijuana; users build up "tolerance" before using "harder" drugs
Analgesic Pain reliever
Zero Tolerance Law A policy that enforces strict consequences for underage drinking
Reverse Tolerence A condition in which less and less alcohol causes intoxication
Intoxication The state in which a person's mental and physical abilities are impaired by alcohol or another substance
Blood Alcohol Concentration/Blood Alcohol Level (BAC/BAL) The amount of alcohol in a person's blood, expressed as a percentage
Fetal Alcohol Syndrome A group of birth defects caused by the effects of alcohol on an unborn child
Food and Drug Administration (FDA) Inspects, tests, and assesses the safety of food, drugs, and a variety of consumer goods
Tar Dark sticky substance that forms when tobacco burns; effects may include: brown stains on fingers and teeth, smelly hair and clothes, bad breath, paralysis of cilia lining the airways, increased number of infections, and impaired lung function
Nicotine A very addictive chemical in tobacco products; extremely poisonous
Carbon Monoxide An odorless and poisonous gas. Smoker's heart rate and breathing increases; too much strain can lead to permanent damage to the cardiovascular sytem
Second Hand Smoke A combination of mainstream smoke and sidestream smoke; also known as environmental tobacco smoke
Sidestream Smoke Smoke that goes directly into the air from a burning tobacco product
Mainstream Smoke Smoke that is exhaled from a smokers lungs
Emphysema A disorder in which damaged alveoli in the lungs can no longer take in adequate oxygen and eliminate carbon dioxide
Bronchitis An infection that causes the mucous membranes lining the bronchi the become inflamed
Created by: andtriugeros