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Health Period 8
Substances Vocab
| Term | Definition |
|---|---|
| Drug | chemical substance that is taken to cause changes in a person's body or behavior |
| Medicine | legal drugs that help the body fight injury, illness, or disease |
| addiction | the user no longer has control over his or her using |
| dependence | the brain develops a chemical need for a substance and cannot function normally without it |
| physical dependence | the body's need for a substance and inability to function without it |
| psychological dependence | the brain's need for a substance and inability to function without it |
| withdrawl | a group of symptoms that occur when a dependent person stops taking a drug |
| tolerance | with repeated use of a substance, its effects on the brain become reduced |
| synergism | occurs when drugs interact to produce effects greater than those each drug would produce alone |
| antagonism | occurs when each drug's effect is canceled out or reduced by the other |
| drug use | properly using per label instructions |
| drug misuse | the improper use of medicines |
| drug abuse | when a drug is intentionally used improperly or unsafely |
| prescription drug | a drug that can be obtained only with a written order from a doctor and can be purchased only at a pharmacy |
| over-the-counter (OTC) drug | a medicine sold illegally in pharmacies and other stores without a doctor's perscription |
| stimulant | drugs that increase the activity of the nervous system |
| depressant | a drug that slows brain ad body reactions |
| hallucinogens | a drug that distorts perception, thought, and mood |
| club drugs | drugs that first gained popularity at dance clubs and raves |
| inhalant | a breathable chemical vapor that produces mind-altering effects |
| steriods | |
| marijuana | the leaves, stems, and flowering tops of the hemp plant cannabis sativa |
| gateway drug | a drug that leads to the use of other drugs |
| analgesic | a pain reliever |
| zero tolerance law | people face sharp consequences starting with the first time they are caught with alcohol or other drugs |
| reverse tolerance | 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 |
| fetal alcohol syndrome | a group of birth defects caused by the effects of alcohol on an unborn child |
| FDA | Food and drug administration |
| tar | a dark, thick, flammable liquid distilled from wood or coal |
| nicotine | the naturally produced chemical in tobacco plants that acts as an insecticide |
| carbon monoxide | |
| second hand smoke | smoker inhaled by anyone around the smoker |
| sidestream smoke | smoke that is put into the surrounding environment by the smoker |
| mainstream smoke | smoke inhaled by the smoker through inhaling through a smoke-producing tobacco product |
| emphysema | a condition where the air sacs of the lungs are damaged and enlarged, causing breathlessness. |
| bronchitis | inflammation of the membrane in the bronchial tubes |
Created by:
jesharrison
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