Lecture Notes Ch 11 - Chapter 11 Your Health Today Chapter...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 11 Your Health Today Chapter 11 Drugs and Addictive Behavior: Use, Abuse, and Control LEARNING OBJECTIVES After completing this chapter, the student will be able to: discuss the history of illicit drug use in the United States. explain the differences between drug use, misuse, and abuse. describe factors that influence the effect of drugs on the body. discuss psychoactive drugs with respect to physical dependence, tolerance, withdrawal, and psychological dependence. explain various drug prevention, treatment, and rehabilitation strategies used in the United States. KEY TERMS AND DEFINITIONS drug A substance other than food that affects the structure or function of the body through its chemical action drug of abuse A medical drug that is used for nonmedical (recreational) purposes or a drug that has no medical uses substance A drug of abuse, a medication, or a toxin; used interchangeably with drug pharmaceutical drugs Drugs developed for medical purposes, whether over the counter or prescription illicit drugs Drugs that are unlawful to possess, manufacture, sell, or use drug misuse The use of prescription drugs for purposes other than those for which they were prescribed or in greater amounts than prescribed, or the use of nonprescription drugs or chemicals for purposes other than those intended by the manufacturer drug abuse The use of a substance in amounts, situations, or a manner such that it causes problems, or greatly increases the risk of problems, for the user or for others drug addiction Drug dependence, characterized by physiological changes that cause tolerance to develop and that lead to withdrawal symptoms if use is stopped abruptly psychological dependence Dependence on a substance or behavior in the absence of physiological dependence, as evidenced by such signs as spending a great deal of time trying to obtain the substance and continuing to use the substance despite adverse consequences pleasure and reward circuit A pathway in the brain involving three structures, the ventral tegmental area, the nucleus accumbens, and the prefrontal cortex, associated with drug dependence endorphins Natural chemicals in the brain that block pain during stressful or painful experiences pathological gambling Compulsive, out-of-control gambling, characterized by signs of psychological dependence; classified as an impulse-control disorder stimulants Drugs that speed up activity in the brain and sympathetic nervous system depressants Drugs that slow down activity in the brain and sympathetic nervous system rebound effect A phenomenon that occurs when a person stops using a drug and experiences symptoms that are worse than what those experienced before taking the drug opioids Natural and synthetic derivatives of opium hallucinogens Drugs that alter perceptions and thinking, intensifying and distorting visual and auditory perceptions and producing hallucinogens; also called psychedelics 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Chapter 11 Your Health Today inhalants
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 17

Lecture Notes Ch 11 - Chapter 11 Your Health Today Chapter...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online