Related Experiment Video
Updated: Apr 11, 2026
06:07
Cigarette Smoke Exposure in Mice using a Whole-Body Inhalation System
Published on: October 22, 2020
8.0K
The Relationship between Nicotine Dependence and Age among Current Smokers
Huijie Li1, Yunping Zhou2, Suyun Li1
1Dept. of Epidemiology and Biostatistics, Shandong University, Jinan, P.R. China.
Iranian Journal of Public Health
|June 10, 2015
Summary
Middle-aged smokers show higher nicotine dependence (ND) than younger and older adults, revealing an inverse U-shaped relationship between ND and age. Further research is needed to confirm these findings on smoking cessation barriers.
Area of Science:
- Public Health
- Addiction Research
- Gerontology
Background:
- Smoking cessation rates vary significantly with age.
- Nicotine dependence (ND) is a major obstacle to quitting smoking.
- Limited research exists on the age-related patterns of nicotine dependence.
Purpose of the Study:
- To investigate the relationship between nicotine dependence and age in Chinese rural male smokers.
- To identify age-specific patterns in nicotine dependence levels.
Main Methods:
- Cross-sectional study of 596 Chinese rural male current smokers in 2013.
- Assessment of nicotine dependence using the Fagerström Test for Nicotine Dependence (FTND) scale.
- Exploration of the ND-age relationship using univariate two-degree fractional polynomials (FPs) regression.
Main Results:
- Middle-aged smokers (45-64 years) exhibited higher mean FTND scores compared to younger (<45 years) and older (≥65 years) smokers.
- An inverse U-shaped relationship was identified between nicotine dependence and age.
Conclusions:
- Middle-aged male smokers demonstrate a greater degree of nicotine dependence.
- The study indicates an inverse U-shaped association between nicotine dependence and age.
- Further research is recommended to validate these findings regarding smoking cessation barriers.
More Related Videos
14:21Creating Dynamic Images of Short-lived Dopamine Fluctuations with lp-ntPET: Dopamine Movies of Cigarette Smoking
Published on: August 6, 2013
19.0K
08:47Spectral Confocal Imaging of Fluorescently tagged Nicotinic Receptors in Knock-in Mice with Chronic Nicotine Administration
Published on: February 10, 2012
14.1K
Related Concept Videos
01:17Drug Dependence
2.0K
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...
2.0K
01:27CNS Depressants: Alcohol and Nicotine
1.6K
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...
1.6K
01:23Drugs Acting on Autonomic Ganglia: Stimulants
2.3K
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...
2.3K
01:27Pharmacodynamics in Geriatric Patients: Effects of Age
331
Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
331
01:29Stimulants
1.3K
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...
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...
1.3K
01:25Statistical Methods for Analyzing Epidemiological Data
1.2K
Epidemiological data primarily involves information on specific populations' occurrence, distribution, and determinants of health and diseases. This data is crucial for understanding disease patterns and impacts, aiding public health decision-making and disease prevention strategies. The analysis of epidemiological data employs various statistical methods to interpret health-related data effectively. Here are some commonly used methods:
1.2K