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Related Concept Videos

Drugs Acting on Autonomic Ganglia: Stimulants01:23

Drugs Acting on Autonomic Ganglia: Stimulants


Ganglionic stimulants activate NM nicotinic receptors in autonomic ganglia, falling into two categories: nicotine mimetics [e.g., lobeline, dimethylpiperazine, tetramethylammonium] and muscarinic receptor agonists [e.g., muscarine, methacholine]. The first category's action is rapid and blocked by nicotinic receptor antagonists, while the second category's action is delayed and blocked by atropine-like agents. Nicotine, an alkaloid, affects the heart rate by stimulating sympathetic or...
Phase I Reactions: Reductive Reactions01:27

Phase I Reactions: Reductive Reactions

Phase I biotransformation reductive reactions are chemical processes that modify drugs by introducing or revealing polar functional groups via reduction. Enzymes called reductases catalyze these reactions, playing a pivotal role in drug metabolism by transforming lipophilic drugs into more polar, water-soluble metabolites for easy excretion. An essential type of reductive reaction is the carbonyl group reduction, where aldehydes and ketones are reduced to alcohols. An example is the...
Longitudinal Research02:20

Longitudinal Research

Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
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...
Stimulants01:29

Stimulants

Stimulants are substances that enhance neural activity and elevate dopamine levels in the brain, leading to their highly addictive nature. These drugs include cocaine, amphetamines, MDMA, caffeine, and nicotine, each with distinct mechanisms of action and varied health implications.
Cocaine can be administered via snorting, injection, or smoking. It primarily functions by blocking the reuptake of dopamine, resulting in a euphoric high characterized by an intense sensation of happiness and...
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...

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Related Experiment Video

Updated: May 17, 2026

Spectral Confocal Imaging of Fluorescently tagged Nicotinic Receptors in Knock-in Mice with Chronic Nicotine Administration
08:47

Spectral Confocal Imaging of Fluorescently tagged Nicotinic Receptors in Knock-in Mice with Chronic Nicotine Administration

Published on: February 10, 2012

Nicotine reduction: strategic research plan.

Dorothy K Hatsukami1, Neal L Benowitz, Eric Donny

  • 1Department of Psychiatry, University of Minnesota, Minneapolis, MN 55414, USA. hatsu001@umn.edu

Nicotine & Tobacco Research : Official Journal of the Society for Research on Nicotine and Tobacco
|October 27, 2012
PubMed
Summary
This summary is machine-generated.

Reducing cigarette nicotine to non-addictive levels can decrease smoking-related harm. Further research is needed to determine optimal nicotine reduction strategies and potential consequences for public health.

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Spectral Confocal Imaging of Fluorescently tagged Nicotinic Receptors in Knock-in Mice with Chronic Nicotine Administration
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Generation of Electronic Cigarette Aerosol by a Third-Generation Machine-Vaping Device: Application to Toxicological Studies

Published on: August 25, 2018

Area of Science:

  • Public Health
  • Tobacco Control
  • Addiction Science

Background:

  • Reducing cigarette nicotine content to non-addictive levels offers a potential strategy to decrease tobacco-related morbidity and mortality.
  • Regulatory frameworks, including the U.S. Family Smoking Prevention and Tobacco Control Act and the WHO Framework Convention on Tobacco Control, support nicotine reduction as a public health policy.
  • While considered feasible, significant research is still required to implement national nicotine reduction policies effectively.

Purpose of the Study:

  • To identify critical research gaps concerning nicotine reduction in combustible tobacco products.
  • To outline appropriate methodologies and measures for addressing identified research gaps.
  • To explore strategies for fostering collaboration among researchers and stakeholders in tobacco control.

Main Methods:

  • The conference proceedings synthesized expert discussions and identified research needs.
  • Methodological considerations included brain imaging techniques and large-scale human clinical trials.
  • Emphasis was placed on the development and validation of biomarkers for exposure and effect.

Main Results:

  • Key research gaps include determining the optimal nicotine dose for cessation, understanding population-specific reduction approaches, and investigating the role of non-nicotine tobacco constituents.
  • The need to identify and mitigate potential unintended consequences of nicotine reduction policies was highlighted.
  • The importance of establishing robust infrastructures to facilitate collaborative research efforts was recognized.

Conclusions:

  • Addressing identified research gaps is crucial for developing effective nicotine reduction strategies.
  • A multi-faceted research approach, incorporating diverse methodologies and biomarkers, is necessary.
  • Fostering collaboration and establishing dedicated infrastructures are essential for advancing tobacco control research and policy.