Results 51 to 60 of about 168,979 (308)

Estimate the prevalence of daily caffeine consumption, caffeine use disorder, caffeine withdrawal and perceived harm in Iran: a cross-sectional study

open access: yesScientific Reports
One of the informal diagnoses in DSM-5 is Caffeine Use Disorder (CUD). CUD and high levels of caffeine consumption could impact mental health conditions.
Fatemeh Abdoli   +7 more
doaj   +1 more source

Caffeine induces neurobehavioral effects through modulating neurotransmitters

open access: yesSaudi Pharmaceutical Journal, 2020
Evidence demonstrates that chronic caffeine exposure, primarily through consumption of coffee or tea, leads to increased alertness and anxiety. Preclinical and clinical studies showed that caffeine induced beneficial effects on mood and cognition.
Fawaz Alasmari
doaj   +1 more source

Neuroprotective effect of caffeine in Alzheimer’s disease

open access: yes, 2023
AIM: This systematic review article aimed to clarify the effect of caffeine on AD and cognition by summarizing all the relevant research done on this topic METHOD: In the present review, we searched the Web of Science core collection and PubMed for ...
Faull, Richard   +3 more
core  

Use of therapeutic caffeine in acute care postoperative and critical care settings: a scoping review

open access: yesBMC Anesthesiology, 2021
Background Caffeine is the most utilised psychoactive drug worldwide. However, caffeine withdrawal and the therapeutic use of caffeine in intensive care and in the perioperative period have not been well summarised. Our objective was to conduct a scoping
M. Bright, V. Raman, K. B. Laupland
doaj   +1 more source

Comparative Profiles of Lipophilic Nutrients and In Vitro Antioxidant Activity in Commercial Arabica and Robusta Green Coffee Beans

open access: yesJournal of the American Oil Chemists' Society, EarlyView.
Integrated compositional profiling of ten commercial green coffee lots showed higher mean total phenolic content, DPPH radical‐scavenging activity, β‐carotene, and total phytosterols in Robusta‐labeled lots, whereas Arabica‐labeled lots showed higher mean total tocopherols and total measured fatty acids.
Muyny Chhom   +2 more
wiley   +1 more source

Development of mathematic model for coffee decaffeination with leaching method

open access: yesCoffee and Cocoa Research Journal, 2011
A simple mathematic model for caffeine kinetic description during the extraction process (leaching) of coffee bean was developed. A non­steady diffusion equation coupled with a macroscopic mass transfer equation for solvent was developed and them solved ...
Sukrisno Widyotomo   +2 more
doaj   +1 more source

Caffeine metabolites are associated with different forms of caffeine supplementation and with perceived exertion during endurance exercise

open access: yesBiology of Sport, 2020
This investigation compared the urine caffeine metabolites produced from different forms of caffeine supplementation given to runners 15 minutes before a series of 5-km running trials. Fourteen amateur competitive runners completed a series of self-paced
Peter Whalley   +2 more
doaj   +1 more source

The impact of daily caffeine intake on nighttime sleep in young adult men

open access: yesScientific Reports, 2021
Acute caffeine intake can delay sleep initiation and reduce sleep intensity, particularly when consumed in the evening. However, it is not clear whether these sleep disturbances disappear when caffeine is continuously consumed during daytime, which is ...
Janine Weibel   +9 more
doaj   +1 more source

Caffeine intake and bone mineral density in postmenopausal women

open access: yes, 2022
Aims:Osteoporosis is a metabolic bone disease characterized by low bone mass and deteriorated bone tissue. There is ongoing debate about the effect of caffeine intake on bone metabolism due to inconsistent study results.
Özlem Köroğlu, Kübra Tel Adıgüzel
core   +1 more source

Pentoxifylline dose finding trial in preterm neonates with suspected late onset sepsis (PTX‐trial)

open access: yesBritish Journal of Clinical Pharmacology, EarlyView.
Aim The aim of this study (PTX‐trial) is to determine the optimal dose of pentoxifylline (PTX) in preterm neonates (gestational age < 30 weeks) with (suspected) late onset sepsis (LONS). Methods The PTX‐trial is a prospective multicentre open‐label sequential dose‐optimization study with an adapted continual reassessment method.
Serife Kurul   +7 more
wiley   +1 more source

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