Background: Caffeine is the most widespread psychoactive substance in the world. With long-term consumption of caffeinated beverages, there is a high probability of overtaking on caffeine.
Objective: The aim of the study was to estimate the consumption of caffeine in the daily caffeine intake of Polish consumers, determine the caffeinated products in the intake of this substance.
Materials And Methods: The survey was completed by 433 respondents living in Poland. The research tool was the electronic questionnaire, which consisted of: a) questions about personal data and measurement anthropometric and the level of physical activity and smoking; b) questions regarding the portion size and frequency of consumption of coffee, tea, cocoa, chocolate, energy drinks and colacarbonated beverages.
Results: The main sources of caffeine in the respondents' diet include: coffee (Me 43.64 mg/d) and tea (Me 37.60 mg/d). Approximately 20% of respondents exceeded the threshold of daily caffeine intake (safety level for children and adolescents up to 3 mg/kg b.w, for adults up to 5.7 mg/kg b.w), considered safe.
Conclusions: Respondents who have crossed the safe dose of caffeine intake, should limit the consumption of products being its main source (coffee).
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http://dx.doi.org/10.32394/rpzh.2021.0171 | DOI Listing |
Urogynecology (Phila)
January 2025
From the Division of Urogynecology and Reconstructive Pelvic Surgery, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD.
Importance: Patients with urgency urinary incontinence are often recommended to avoid bladder irritants, but there is a lack of evidence for this.
Objective: The aim of the study was to compare consumption of purported bladder irritants between women with and without urgency urinary incontinence.
Study Design: We performed a case-control study of nonpregnant females aged ≥20 years using the National Health and Nutrition Examination Survey, 2007-2020.
Curr Dev Nutr
January 2025
Department for Public Health, Aarhus University, Aarhus, Denmark.
Background: Carbohydrate restriction can alter substrate utilization and potentially impair endurance performance in female athletes. Caffeine intake may mitigate this performance decrements.
Objectives: The aim of this study was to test the hypothesis that maximal fat oxidation (MFO) rate would be enhanced in the carbohydrate (CHO) restricted state in trained females.
J Int Soc Sports Nutr
December 2025
University of Bologna-Alma Mater Studiorum, Department of Quality of Life Sciences, Bologna, Italy.
Background: Understanding the impact of caffeine intake on body composition is a topic of growing research interest. The article "Association Between Caffeine Intake and Fat-Free Mass Index: A Retrospective Cohort Study" by Tian et al. explored this relationship, highlighting a positive correlation between caffeine consumption and fat-free mass index (FFMI).
View Article and Find Full Text PDFBMC Musculoskelet Disord
January 2025
Department of Orthopedics, Wuhan Fourth Hospital, Wuhan fourth hospital, No. 473, Hanzheng Street, Qiaokou District, Wuhan, China.
Objective: The association between sleep duration, caffeine intake, and bone mineral density (BMD) is not well understood, with previous studies providing controversial results. This study explores the associations among caffeine intake, sleep duration, and BMD.
Methods: Data were sourced from the National Health and Nutrition Examination Survey (NHANES) from 2011 to 2018, including 13,457 participants who self-reported sleep duration and caffeine intake, with BMD measured via dual X-ray absorptiometry.
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