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Substances
Substances Vocab
| Term | Definition |
|---|---|
| Drug | Any substance, other than food, that changes the structure or the function of the body. |
| Medicine | Legal drugs that help the body fight injury, illness, or disease. |
| Addiction | Drinker has no longer has control over his or her drinking. |
| Dependence | Brain develops a chemical need for alcohol and cannot function normally without it. |
| Physical Dependence | Physically needing a drug to function normally (Withdrawal). |
| Psychological Dependence | Mentally craving a drug (Addiction). |
| Withdrawal | Group of symptoms that occur when a dependent person stops taking a drug. |
| Tolerance | With repeated use of alcohol, its effects in the brain become reduced. |
| Synergism | Occurs when drugs interact to produce effects greater than those that each drug would produce alone. |
| Antagonism | Occurs when each drug's effect is canceled out or reduced by the other. |
| Drug use | Using drugs correctly for medical purposes. |
| Drug misuse | Using drugs incorrectly. |
| Drug Abuse | Using drugs for no medical reason. |
| Prescription drugs | 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) drugs | A medicine that is sold legally in pharmacies and other stores without a doctor's prescription. |
| Stimulants | Drugs that increases and speeds up activity of the central nervous system. |
| Depressants | Psychoactive drugs that slows brain and body reactions. |
| Hallucinogens | Drugs that distort perception, thought, and mood. |
| Club Drugs | Strength and quality of drugs are highly unpredictable--their effects are different person to person and are very dangerous. |
| Inhalants | Breathable chemical vapors that produce mind-altering effects. |
| Steroids (Anabolic) | Artificial forms of the male hormone testosterone. |
| Marijuana | Leaves, stems, and flowering tops of the hemp plant Cannabis sativa. |
| Gateway Drug | A drug that leads to other "harder" drugs. |
| Analgesic | Pain Reliever |
| Zero Tolerance Law | A law that faces students with stiff consequences--including suspension--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 | State in which the person's mental and physical abilities are impaired by alcohol or another substance |
| BAC | Amount of alcohol in a person's blood. |
| Fetal alcohol Syndrome | A group of birth defects caused by the effects of alcohol on an unborn child. |
| FDA | Inspects, tests, and assesses the safety of food, drugs, and a variety of consumer goods. |
| Tar | A mixture of hundreds of chemicals. |
| Nicotine | A very addictive chemical in tobacco products. |
| Carbon Monoxide | A poisonous, odorless gas made when burned with substances like tobacco. |
| Second Hand Smoke | The combination of mainstream and sidestream smoke and inhaled by everyone near the smoker. |
| Sidestream Smoke | Smoke that goes into the air directly from the cigarette. |
| Mainstream Smoke | Exhaled from a smoker's lungs. |
| Emphysema | A disorder in which alveoli in the lungs can no longer function properly. |
| Bronchitis | An infection that causes the mucous membranes lining the bronchi to become inflamed. |
| Cirrohosis | A disease that may lead to death due to liver damage. |