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Related Concept Videos

Drug Dependence01:17

Drug Dependence

Medications are typically administered to achieve therapeutic effects. Some drugs can modify an individual's mood and perception, frequently resulting in various enjoyable experiences. However, this can result in drug dependency, a condition marked by continuous drug use despite potential negative consequences. Drug dependency primarily falls into two categories: psychological and physical dependence. Psychological dependence occurs when the pleasurable feelings induced by the drug...
Drug Abuse and Addiction: Pharmacological Phenomena01:15

Drug Abuse and Addiction: Pharmacological Phenomena

Drug dependence, abuse, and addiction are complex phenomena that can precipitate various abnormal states. Physical dependence refers to a state of pharmacological adaptation to a drug. This adaptation often results in tolerance—a reduced response to the drug after repeated administrations. When the drug use is abruptly stopped, withdrawal symptoms occur due to the body's need to readjust from the pharmacologically induced imbalance. However, tolerance and withdrawal symptoms do not necessarily...
Drug Control Governance: Regulatory Bodies and Their Impact01:03

Drug Control Governance: Regulatory Bodies and Their Impact

Drug control governance involves the oversight and regulation of pharmaceuticals to ensure their safety and efficacy while preventing illegal drug use and trafficking. Regulatory bodies, including the US Food and Drug Administration (FDA) and the European Union's European Medicines Agency (EMA), play a central role in this process. These agencies evaluate the safety and efficacy of drugs before they can be marketed. They fund clinical trials and assess the benefits and risks associated with a...
Drug Accumulation During Multiple Dosing: Repetitive IV Injections01:21

Drug Accumulation During Multiple Dosing: Repetitive IV Injections

Calculating drug dosage and accumulation in multiple-dose regimens is crucial for achieving therapeutic efficacy while avoiding toxicity. This involves determining the plasma drug concentrations over time to optimize dosing schedules. The principle of superposition is fundamental in this process, allowing for the prediction of drug concentration in plasma following multiple doses based on single-dose data.The principle of superposition asserts that the plasma concentration-time curves from...
Substance Use Disorders Affecting Sleep01:24

Substance Use Disorders Affecting Sleep

Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
Understanding the concepts of physical dependence,...
Factors Affecting Drug Response: Overview01:21

Factors Affecting Drug Response: Overview

When it comes to infants and young children, they are typically administered smaller doses of medication in comparison to adults. This is primarily because their organ functions still need to fully develop, meaning their bodies are not as efficient at metabolizing or eliminating drugs. Additionally, their blood-brain barrier is more permeable than in adults. As a result, high concentrations of drugs can easily penetrate the central nervous system (CNS), potentially leading to neurological...

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Related Experiment Video

Updated: Jul 11, 2026

Integrating Computerized Linguistic and Social Network Analyses to Capture Addiction Recovery Capital in an Online Community
08:53

Integrating Computerized Linguistic and Social Network Analyses to Capture Addiction Recovery Capital in an Online Community

Published on: May 31, 2019

Economic perspectives on injecting drug use.

David E Bloom1, Ajay Mahal, Brendan O'Flaherty

  • 1Department of Population and International Health, Harvard School of Public Health, Harvard University, Boston, MA, USA.

Advances in Health Economics and Health Services Research
|September 18, 2007
PubMed
Summary

Economic analysis offers new insights into injecting drug use (IDU) and human immunodeficiency virus (HIV) transmission. Examining costs and benefits for users, this study analyzes needle exchange programs to inform public health policy.

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10:35

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Published on: November 11, 2013

Area of Science:

  • Public Health
  • Health Economics
  • Epidemiology

Background:

  • Injecting drug use (IDU) has historically been viewed as a societal issue rather than a public health concern.
  • The emergence of human immunodeficiency virus (HIV)/acquired immune deficiency syndrome (AIDS) has broadened the discourse on IDU to include public health and human rights.
  • Economic analysis provides a valuable perspective on the costs and benefits associated with IDU and HIV transmission.

Purpose of the Study:

  • To apply economic analysis to understand the problem of IDU and HIV transmission.
  • To evaluate the economic aspects of IDU from the perspective of injecting drug users.
  • To present new findings on the economic analysis of needle exchange programs.

Main Methods:

  • Economic analysis of drug use costs and benefits.
  • Examination of the injecting drug user perspective.
  • Analysis of needle exchange program economics.

Main Results:

  • Economic analysis can illuminate the complexities of IDU and HIV transmission.
  • New results on the economic analysis of needle exchange programs are presented.
  • Understanding user-centric costs and benefits informs policy.

Conclusions:

  • Economic analysis is crucial for a comprehensive understanding of IDU and its public health implications.
  • Needle exchange programs warrant economic evaluation for policy development.
  • Integrating economic perspectives can improve interventions for IDU and HIV prevention.