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Nicotine Addiction

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Nicotine addiction is a chronic condition characterized by the compulsive use of nicotine, primarily through tobacco products, leading to physical dependence and psychological cravings. It results from the interaction of nicotine with the brain's reward system, causing alterations in neurotransmitter function and reinforcing behaviors associated with its consumption.
lightbulbAbout this topic
Nicotine addiction is a chronic condition characterized by the compulsive use of nicotine, primarily through tobacco products, leading to physical dependence and psychological cravings. It results from the interaction of nicotine with the brain's reward system, causing alterations in neurotransmitter function and reinforcing behaviors associated with its consumption.

Key research themes

1. What neurobiological mechanisms underlie nicotine addiction and how do receptor subtypes and neural circuits contribute to dependence and smoking behavior?

This research theme focuses on elucidating the specific neural substrates and receptor mechanisms that mediate nicotine addiction. Understanding these biological underpinnings is critical for developing targeted pharmacotherapies and interventions. Key areas include identification of nicotinic acetylcholine receptor (nAChR) subtypes involved in reinforcement and withdrawal, neural circuits responsible for nicotine reward and craving, and genetic influences on receptor function that modulate addiction vulnerability.

Key finding: This study detailed that α4β2-containing nAChRs in the ventral tegmental area (VTA) are essential for nicotine-induced dopamine (DA) neuron activation, mediating reward and reinforcement behaviors. Knockout of β2 or α4... Read more
Key finding: This review integrates animal and human genetic studies revealing that genetic variation in nicotinic cholinergic receptor subunits, particularly those encoded by CHRNA5-CHRNA3-CHRNB4 gene cluster, confers susceptibility to... Read more
Key finding: This experimental work showed that intermittent nicotine self-administration (IntA) in rats produces unique neurobiological changes including sensitization of nAChRs in the interpeduncular nucleus and altered striatal... Read more

2. How do individual differences in nicotine dependence severity and metabolism influence smoking behavior, withdrawal symptoms, and cessation outcomes?

This theme addresses the heterogeneity in nicotine dependence across individuals focusing on multidimensional assessments of dependence, the role of nicotine metabolism rates, and how these factors relate to withdrawal severity, smoking patterns, and relapse risk. Understanding these differences informs personalized cessation strategies and regulatory measures such as nicotine content reduction in cigarettes.

Key finding: This study demonstrated that multifactorial measures like NDSS and WISDM capture distinct dimensions of nicotine dependence and predict withdrawal severity and cessation outcomes differentially. For example, the NDSS Priority... Read more
Key finding: This clinical trial found that smokers with higher nicotine dependence and faster nicotine metabolism exhibited different compensatory smoking behaviors when switched to reduced nicotine content (RNC) cigarettes.... Read more
Key finding: This population study revealed that nicotine metabolite ratios (NMR) vary by type of nicotine use (cigarettes, e-cigarettes, dual use) and biological factors such as sex and age. E-cigarette users without nicotine had the... Read more
Key finding: Prospective cohort data showed that adolescents with DSM-IV nicotine dependence exhibited worse physical health symptoms 4.5 years later in early adulthood, independent of smoking quantity and mental health. This emphasizes... Read more

3. What are the behavioral, psychological, and social contextual factors influencing nicotine addiction and cessation efforts, particularly under stressful or vulnerable conditions?

This area investigates how external factors such as psychiatric comorbidities, social cues, conditioning behaviors, and acute stressors (e.g., the COVID-19 pandemic) affect nicotine use, craving, withdrawal, and quit attempts. Understanding these factors can improve the development and delivery of behavioral interventions, public health strategies, and inform policy regulation to support cessation in diverse populations.

Key finding: This study identified markedly elevated smoking prevalence and nicotine dependence in individuals with first-episode and established psychosis. Nicotine dependence correlated with increased positive psychotic symptoms and... Read more
Key finding: Using fMRI and behavioral assessments in young daily smokers, this study found that varying nicotine doses modulated resting-state functional connectivity between anterior insula and anterior cingulate cortex associated with... Read more
Key finding: Qualitative interviews revealed that during the COVID-19 pandemic, nicotine users motivated to quit encountered unique challenges and facilitators including altered stress levels, social isolation, and changes in access to... Read more
Key finding: This qualitative research showed that users of little cigars and cigarillos commonly misperceive these products as less addictive than cigarettes despite similar nicotine delivery, impacting their motivation to quit. The... Read more

All papers in Nicotine Addiction

تهدف هذه الدراسة إلى تحديد دور برامج علوم المكتبات والمعلومات في تأهيل المتخصصين للمشاركة في أعمال الحكومات وتعزيز المواطنة الرقمية. للإجابة على إشكالية مدى شمولية مقررات هذه البرامج في إعداد المتخصصين في مجال المواطنة الرقمية، تم استخدام... more
A study to assess the effectiveness of Video Assisted Teaching(VAT) on knowledge and attitude of adolescent regarding harmful effects of nicotine addiction. This study was under taken with objectives to: Develop a VAT for the adolescent... more
kinesin-II delays its recycling to the basal body and kinesin-II accumulates in a concentration gradient in the flagellum. As a result, kinesin-II is depleted at the flagellar base as the flagellum elongates. When the flagellum is... more
General has identified the use of e-cigarettes/vapes as an epidemic among our youth, addicting a new generation to nicotine.
General has identified the use of e-cigarettes/vapes as an epidemic among our youth, addicting a new generation to nicotine.
Los polimorfismos indel en la región promotora y los polimorfismos de tamaño en el intrón 2 del gen transportador de serotonina se han asociado con el trastorno afectivo bipolar 1 (TAB 1) en diferentes poblaciones. El objetivo fue... more
The health harms of combusted tobacco use are undeniable. With market and regulatory pressures to reduce the harms of nicotine delivery by combustion, the tobacco product landscape has diversified to include smokeless, heated, and... more
This paper analyzes the medical approaches and the socioeconomic impact of smoking in Romania, with a 2026 perspective. It highlights national programs such as "Stop Smoking," which offers free counseling and medication, as well as modern... more
Smoking is the most important preventable cause of mortality and morbidity worldwide. This nicotine addiction is mediated through the nicotinic acetylcholine receptor (nAChR), expressed on most neurons, and also many other organs in the... more
Because adolescent brains are undergoing extensive developmental changes, they may be uniquely sensitive to effects of addictive drugs like nicotine. We exposed adolescent and adult rats to nicotine infusion for two weeks, and then used... more
Sport coaches are a population with its specific characteristics and because of their association with the athletes, especially young ones, their lifestyle habits deserve attention. The aim of this study was to determine the habits... more
Nearly 45% of women in Manipur use SLT, which is almost equivalent to male users (50%) (GATS-2 Manipur, 2017). In response to the outbreak of SARS-CoV-2, India implemented a nationwide lockdown leading to a complete shutdown of almost all... more
Abstract Background The international growth of e-cigarette use has been accompanied by a corresponding concern that e-cigarettes will act as a ‘gateway’ to smoking and the use of other drugs. Taking these concerns as our point of... more
Nicotine dependence plays a critical role in addiction to tobacco products, and thus contributes to a variety of devastating tobacco-related diseases (SGR 2014). Annual costs associated with smoking in the US are estimated to be between... more
Introduction: This Hungarian cross-sectional study examined patterns and differences in suicide risk factors across various suicidality groups, including individuals with single or multiple suicide attempts, as well as gender-specific... more
Introduction: Bullying victimization is a common experience among adolescents. Victimization is associated with negative consequences including negative mental outcomes, poor academic results, and poor social relationships. We describe... more
Perkembangan teknologi digital dan media realitas virtual (VR) telah menciptakan fenomena baru dalam perilaku manusia, yaitu adiksi internet dan VR. Artikel ini menganalisis dampak neuropsikologis dari adiksi internet dan media realitas... more
Objectives-Anxiety sensitivity (AS) is associated with poor smoking cessation outcomes. One reason may be that smokers with high AS smoke differently (i.e., to manage negative affect and uncomfortable bodily sensations) than other... more
People from age groups 16–22 years old show the highest inclination towards smoking which places colleges and universities in the unique position to employ restrictive methods to create a smoke-free campusand also impart youth towards... more
Smoking is the most important preventable cause of mortality and morbidity worldwide. This nicotine addiction is mediated through the nicotinic acetylcholine receptor (nAChR), expressed on most neurons, and also many other organs in the... more
Although, there are considerable works on the neural mechanisms of reward-based learning and decision making, and most of them mention that addiction can be explained by malfunctioning in these cognitive processes, there are very few... more
Article refers to behavioral patterns of tobacco addiction of students at some universities in Ho Chi Minh City, Vietnam. The study results showed that 76.85% of students have non-smoking and 20.0% of students currently smoke. For 20%... more
lease, paroxetine, or placebo in conjunction with mood stabilizers (3). Lack of efficacy appears to be an overall greater risk than induction of mania for most depressed bipolar patients who receive adjunctive antidepressants. The STEP-BD... more
Araştırma lise öğrencilerinde sosyal görünüş kaygısını ve bu kaygının sigara kullanımı üzerine etkisini belirleyebilmek amacı ile yapılmıştır. Gereç ve Yöntem: Araştırmanın evrenini Ağrı ili merkezinde bulunan lise öğrencileri... more
Araştırma lise öğrencilerinde sosyal görünüş kaygısını ve bu kaygının sigara kullanımı üzerine etkisini belirleyebilmek amacı ile yapılmıştır. Gereç ve Yöntem: Araştırmanın evrenini Ağrı ili merkezinde bulunan lise öğrencileri... more
A study to assess the effectiveness of Video Assisted Teaching(VAT) on knowledge and attitude of adolescent regarding harmful effects of nicotine addiction. This study was under taken with objectives to: Develop a VAT for the adolescent... more
Alcohol is found to contribute to everyday life of young people. Frequent heavy drinking, violent behavior under influence of alcohol are typical for youths. Unreasonable over-consumption of alcohol might have direct impact on their... more
A study to assess the effectiveness of Video Assisted Teaching(VAT) on knowledge and attitude of adolescent regarding harmful effects of nicotine addiction. This study was under taken with objectives to: Develop a VAT for the adolescent... more
The current study aimed to investigate the changes in tobacco usage and their correlations among students from a private university in Dhaka, Bangladesh, during the lockdown periods due to the COVID-19 pandemic. It was designed as a... more
Electronic cigarettes (e-cigarettes) have emerged as a new paradigm in nicotine delivery systems. Although they are marketed as safer alternatives to tobacco, public perceptions of their safety and utility vary widely. This study aims to... more
La hipertensión arterial es un padecimiento multifactorial con incidencia y prevalencia crecientes en nuestro país, por lo que es considerado como un problema de salud pública. El objetivo del presente estudio fue el de establecer su... more
Disease Control and Prevention, 2008). Of these, 80% report smoking every day and 20% smoke some but not all days. The findings also indicated that 39.8% of current smokers, or more than 13 million Americans, had stopped smoking for at... more
AtitudineA profesioniştilor din medicinA pediAtrică din româniA privind consumul de tutun în perioAdA copilăriei şi Adolescenţei doina Anca pleşca 1 , oana-cristina mărginean 2 , cristian Gheonea 3 , sorin man 4 , ladislau ritli 5 , ioan... more
Smoking is a significant public health issue in Sierra Leone, contributing to various chronic diseases and premature mortality. In Falaba District, where access to healthcare and health education is limited, smoking remains a challenge.... more
To investigate the effect of nicotine exposure starting before coitus and continuing during pregnancy and lactation period on delivery rate, fetal growth and nicotine addiction in rats. Material and Methods: Ten female Swiss Albino rats... more
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