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Caffeine and nicotine acutely inhibits flow-mediated vasodilation, but not both are necessarily harmful in the long term.
Vasa
January 2025
Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center, Essen, University of Duisburg-Essen, Essen, Germany.
Today, flow-mediated dilation (FMD) is a standardized test for the non-invasive assessment of vascular endothelial function in humans. The test is often used to assess the influence of various living conditions on the vascular system. Many factors have a short-term effect on FMD and reduce it.
View Article and Find Full Text PDFSex-specific impacts of caffeine on body composition: commentary on a retrospective cohort study.
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 PDFCommon Questions and Misconceptions About Energy Drinks: What Does the Scientific Evidence Really Show?
Nutrients
December 2024
College of Health Professions and Sciences, University of Central Florida, Orlando, FL 32816, USA.
Energy drinks are a commonly consumed beverage, and studies suggest a possible performance-enhancing effect. A Google Scholar search using the keywords "energy drinks" and "exercise" yields numerous results, underscoring the voluminous research on this topic. However, there are questions regarding the effectiveness and safety of energy drinks.
View Article and Find Full Text PDFMaternal caffeine intake during pregnancy and the risk of childhood asthma by 10 years of age-Evidence from The Generation XXI birth cohort study.
Pediatr Allergy Immunol
January 2025
EPIUnit-Institute of Public Health, University of Porto, Porto, Portugal.
Background: We aimed to investigate the association between maternal caffeine intake during pregnancy and asthma in children by 10 years of age.
Methods: We considered 5585 mother-child pairs enrolled in a population-based birth cohort. Consumption of regular and decaffeinated coffee, black and green tea, and cola beverages before and during pregnancy was obtained through face-to-face interviews within 72 h after giving birth, and total caffeine intake (mg/day) was estimated.
Tailored recovery of antioxidant fractions enriched in caffeine and phenolic compounds from coffee pulp using ethanol-modified supercritical carbon dioxide.
Food Res Int
January 2025
Department of Agricultural Chemistry and Food Science, Faculty of Science, C/ Francisco Tomás y Valiente, 7, Universidad Autónoma de Madrid, 28049 Madrid, Spain; Department of Production and Characterization of Novel Foods, Institute of Food Science Research, CIAL (UAM-CSIC), 28049 Madrid, Spain. Electronic address:
Coffee pulp (CP) is the by-product of coffee processing that urgently needs to be revalorized using sustainable technologies. This work applied a design of experiment (DoE) for modeling the extraction of bioactive compounds from CP using supercritical carbon dioxide (sc-CO) with ethanol as a co-solvent under variable conditions (temperature, pressure, and ethanol percentage). Considering extraction efficiency (per unit of CP) and extraction selectivity (per unit of extract), results showed that ethanol percentage significantly enhanced the efficiency of total phenolic content, as well as the selectivity of chlorogenic acid and protocatechuic acid (p < 0.
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