Cigarette smoking is the single most important risk factor for the development of cardiovascular diseases (CVDs). However, the role of nicotine, the addictive component of all tobacco products, in the development of CVD is incompletely understood. Although increased public awareness of the harms of cigarette smoking has successfully led to a decline in its prevalence, the use of electronic cigarettes (e-cig) or electronic nicotine delivery system has increased dramatically in recent years because of the perception that these products are safe. This review summarizes our current knowledge of the expression and function of the nicotinic acetylcholine receptors in the cardiovascular system and the impact of nicotine exposure on cardiovascular health, with a focus on nicotine-induced vascular dysfunction. Nicotine alters vasoreactivity through endothelium-dependent and/or endothelium-independent mechanisms, leading to clinical manifestations in both cigarette smokers and e-cig users. In addition, nicotine induces vascular remodelling through its effects on proliferation, migration and matrix production of both vascular endothelial and vascular smooth muscle cells. The purpose of this review is to identify critical knowledge gaps regarding the effects of nicotine on the vasculature and to stimulate continued nicotine research.
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http://dx.doi.org/10.1111/apha.13631 | DOI Listing |
Ther Innov Regul Sci
December 2024
Department of Regulatory and Quality Sciences, USC Alfred E. Mann School of Pharmacy and Pharmaceutical Sciences, University of Southern California, Los Angeles, USA.
Background: Youth nicotine addiction is a major public health concern in the United States. Disposable Electronic Nicotine Delivery Systems (ENDS), or disposable vapes, are commonly sought out by youth despite not having received premarket authorization from the FDA. The objective of this study was to identify factors contributing to underage consumption of disposable ENDS.
View Article and Find Full Text PDFSci Rep
December 2024
Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, No. 1 Shizishan Road, Wuhan, 430070, China.
The quality of cigar tobacco leaves is profoundly affected by the timing of their harvest, with both early and late collections resulting in inferior characteristics. While the relationship between maturity and physiological metabolic processes is acknowledged, a comprehensive understanding of the physiological behavior of cigar leaves harvested at different stages remains elusive. This research investigated the physiological and metabolomic profiles of the cigar tobacco variety CX-014, grown in Danjiangkou City, Hubei Province, with leaves sampled at 35 (T1), 42 (T2), 49 (T3), and 56 (T4) days post-inflorescence removal.
View Article and Find Full Text PDFTob Control
December 2024
School of Pharmacy, University of California San Francisco, San Francisco, California, USA.
Background: In May 2020, Oakland became the most populous city in California to implement a minimum floor price law (MFPL), requiring tobacco retailers to sell cigarettes and cigars at $8 or more per pack/package. Policy enforcement began in August 2020.
Methods: We estimated changes in cigarette and cigar prices and unit sales for Oakland versus a matched comparator during the first 20 months following MFPL implementation using a synthetic difference-in-differences approach.
Drug Alcohol Depend
December 2024
Center for Tobacco Control Research and Education, University of California San Francisco, 95 Kirkham Street Box 1361, San Francisco, CA 94143, United States.
Unlabelled: Use of electronic cigarette (vaping) devices, whether to inhale nicotine, cannabis, or other substances, may pose health risks to adolescents. Those risks could be heightened when a vaping device is "fake," a term we use to include inauthentic, knockoff, counterfeit, and/or adulterated devices, an issue exemplified by the Electronic Cigarette, or Vaping, Product Use-Associated Lung Injury (EVALI) outbreak of 2019-2020.
Methods: Investigators completed in-depth, semi-structured interviews in 2020-2021 with 47 California adolescents (ages 13-17) who used nicotine products.
Subst Use Misuse
December 2024
Department of Psychiatry, Washington University School of Medicine in St. Louis, St. Louis, MO, USA.
Background: Human trafficking (HT) survivors are at risk for substance use disorder (SUD), although assessing the SUD epidemiology of HT survivors is difficult. This study used data from the 2019 to 2021 Nationwide Emergency Department Sample to estimate the prevalence of SUD for HT survivors utilizing emergency departments (ED) in the United States of America (US).
Methods: We included visits for patients aged 12-64 years with any International Classification of Diseases 10th Revision, Clinical Modification (ICD-10-CM) codes documenting HT as a cause of morbidity ( 1,688, 141) or history of HT ( 2,524, 218).
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