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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...
Stress Prevention and Stress Management Techniques IV01:26

Stress Prevention and Stress Management Techniques IV

Stress often leads to unhealthy habits like smoking, excessive drinking, and overeating, which offer short-term relief but ultimately increase long-term health risks. These behaviors create a cycle that temporarily lowers stress levels but can result in severe long-term health consequences. Breaking these habits is essential to reduce the risk of chronic diseases and improve overall well-being. Three primary changes that support better health include quitting smoking, reducing alcohol intake,...
Lifestyle Factors and Health01:20

Lifestyle Factors and Health

Lifestyle factors play a critical role in maintaining overall health and preventing chronic diseases. Key elements, such as regular physical activity, a nutritious diet, and abstinence from smoking, can significantly enhance physical, mental, and emotional well-being while reducing the risk of several life-threatening conditions.
Benefits of Physical Activity
Physical activity, whether through structured exercise or casual activities like walking, biking, or dancing, is a cornerstone of a...
Factors Influencing Drug Absorption: Presystemic Elimination01:24

Factors Influencing Drug Absorption: Presystemic Elimination

The pharmacokinetic journey of oral drugs begins with a crucial first pass through the hepatic portal system, called the first-pass effect. This first pass significantly impacts bioavailability — the proportion of a drug that enters systemic circulation and is available for therapeutic action. The primary route sees the drug absorbed by intestinal membranes and then shunted to the liver via the hepatic portal vein. Here, pre-systemic elimination occurs as drugs face metabolism or biliary...
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...
CNS Depressants: Alcohol and Nicotine01:27

CNS Depressants: Alcohol and Nicotine

Ethanol, a clear colorless alcohol, has been consumed by humans for millennia, but its effects on the body are far from benign. At lower doses, it induces decreased inhibitions and loquaciousness, leading to its social appeal. However, it can cause severe consequences at higher doses, such as coma and respiratory depression, due to its zero-order elimination kinetics. Chronic ethanol abuse wreaks havoc on multiple organ systems, particularly the CNS and the liver. Abrupt cessation of ethanol...

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Related Experiment Video

Updated: Jul 5, 2026

The Motivation for Alcohol Reward: Predictors of Progressive-Ratio Intravenous Alcohol Self-Administration in Humans
05:40

The Motivation for Alcohol Reward: Predictors of Progressive-Ratio Intravenous Alcohol Self-Administration in Humans

Published on: April 28, 2022

[Factors associated with abstinence in a smoking cessation program].

Natalia Tamblay1, Daniel Seijas

  • 1Servicio de Salud Metropolitano Central, Pontificia Universidad Católica de Chile, Santiago de Chile. natalia.tamblay@redsalud.gov.cl

Revista Medica De Chile
|May 17, 2008
PubMed
Summary

Bupropion use and male gender improved smoking cessation rates in a one-year study. High motivation to smoke was a risk factor for continued smoking, highlighting key factors for successful quitting.

Related Experiment Videos

Last Updated: Jul 5, 2026

The Motivation for Alcohol Reward: Predictors of Progressive-Ratio Intravenous Alcohol Self-Administration in Humans
05:40

The Motivation for Alcohol Reward: Predictors of Progressive-Ratio Intravenous Alcohol Self-Administration in Humans

Published on: April 28, 2022

Area of Science:

  • Addiction Medicine
  • Public Health
  • Behavioral Science

Context:

  • Smoking cessation programs achieve approximately 30% efficacy.
  • Patient-specific factors significantly influence cessation outcomes.
  • Understanding these factors is crucial for improving treatment success.

Purpose:

  • Identify key determinants of successful smoking cessation after one year.
  • Evaluate the efficacy of bupropion and nicotine substitutes in smoking cessation treatments.

Summary:

  • A one-year follow-up of 68 patients revealed a 41% abstinence rate.
  • Bupropion use and male gender were associated with higher abstinence rates.
  • High motivation to smoke emerged as a risk factor for continued smoking; nicotine substitutes showed no significant benefit.

Impact:

  • Findings suggest bupropion as an effective aid for smoking cessation.
  • Identifies high motivation to smoke as a critical risk factor.
  • Informs personalized smoking cessation strategies and program development.