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Objective: Smoking during pregnancy poses significant health risks, necessitating accurate continuous monitoring of pregnant women's smoking behaviours. Existing methods relying on self-reporting lack objectivity, while biochemical measures like exhaled carbon monoxide (CO) provide validation but suffer from low participant engagement. We developed myCOtrak to address these limitations by integrating real-time CO monitoring with self-reported smoking, nicotine replacement therapy (NRT), and e-cigarette use.
Results: myCOtrak combines automated CO data from the Bedfont iCO monitor with daily surveys. It demonstrated high feasibility and usability in initial testing with 23 participants, with 75% continuing data submission for ≥ 14 days. Key features include seamless CO integration, cloud-based storage, and longitudinal tracking, offering a validated, scalable tool for smoking cessation research.
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http://dx.doi.org/10.1186/s13104-025-07195-2 | DOI Listing |
Nicotine Tob Res
September 2025
College of Public Health, University of Nebraska Medical Center, Omaha, NE, United States.
Introduction: Nicotine pouches (NPs) are an emerging nicotine delivery system. Understanding nicotine and toxicant exposure among NP users compared with users of other tobacco products and non-users is critical for informing public health strategies.
Methods: Data (n = 4527) were drawn from the Population Assessment of Tobacco and Health Study Wave 7 (2022-2023).
J Pathol
September 2025
Sidney Kimmel Comprehensive Cancer Center and Department of Oncology, Johns Hopkins University, Baltimore, MD, USA.
Triple-negative breast cancer (TNBC) lacks expression of estrogen receptor (ER), progesterone receptor (PR), and HER2, and remains one of the most aggressive and therapeutically challenging breast cancer subtypes, marked by early relapse, metastasis, and limited targeted treatment options. In a recent study published in The Journal of Pathology, Kuo et al provide compelling evidence that nicotine exposure, whether from tobacco smoke or e-cigarette vapor, drives TNBC progression by promoting stem-like and metastatic phenotypes. Integrating clinical datasets, patient tissues, cell lines, and in vivo models, the authors demonstrate that nicotine enhances tumor aggressiveness via coordinated upregulation of CHRNA9 and IGF1R.
View Article and Find Full Text PDFBMJ Public Health
September 2025
School of Public Health, University of Sydney, Sydney, New South Wales, Australia.
Introduction: Curbing adolescent vaping is a public health priority and little evidence exists examining protective factors. Using a strength-based approach, this study explored the relationship between adolescent vaping health perceptions and vaping use.
Methods: Cross-sectional data from 9000 Australian adolescents aged 14-17 years recruited via multiple online panels as part of the Generation Vape Study were used.
Nurs Sci Q
October 2025
Department of Nursing, University of Massachusetts Boston, Boston, MA, USA.
Given nursing's interest in health policies, the authors present a discussion of costs associated with health policies. Three examples of these costs are adolescent use of vaping and e-cigarettes, international guidelines for hypertension diagnosis and treatment, and medical aid in dying.
View Article and Find Full Text PDFKorean J Orthod
September 2025
Private Practice, Brisbane, Australia.
Objective: This study aimed to investigate the effects of low-nicotine cigarette smoke (CS) inhalation on orthodontic tooth movement (OTM) in rats.
Methods: Forty 4-week-old male Wistar rats, were randomly divided into four groups: three experimental and one control. Group 1 (control group) had dental impressions taken at week 9.