Yearly Archives: 2013

K A Osei et al, 2013, The effect of caffeine on tear secretion, Optometry and Vision Science, Volume 91, published online ahead of print.

PURPOSE: Caffeine, probably the most widely consumed psychoactive substance, is claimed to have conflicting effects on some tear film dynamics. This study sought to investigate the effect of orally ingested caffeine on tear secretion. METHODS: In an examiner-masked, placebo-controlled, crossover experimental model, the effect of caffeine intake on tear secretion was studied in 41 healthy volunteers aged 20 to 26 years (mean, 23.0 ± 2.1 years). Participants were randomly assigned […]

R A Steinbrook et al, 2013, Caffeine for prevention of postoperative nausea and vomiting, Journal of Anaesthesiology & Clinical Pharmacology, Volume 29.

Context: Postoperative nausea and vomiting (PONV) is common after ambulatory surgery performed under general anesthesia. Anecdotal evidence suggests that caffeine may be useful in preventing PONV. Aims: The aim of the study was to determine efficacy of intravenous (IV) caffeine given prior to surgery is effective prophylaxis against PONV. Settings and Design: We conducted a […]

A D Vural et al, 2013, Choroidal thickness changes after a single administration of coffee in healthy subjects, Retina, published online ahead of print.

PURPOSE: To investigate the changes in the subfoveal choroidal thickness measured by enhanced depth imaging optical coherence tomography after a single administration of a cup of coffee in healthy subjects. METHODS: In this prospective study, 62 healthy subjects (study group) who received a cup of 100 mL Turkish coffee (57 mg caffeine/100 mL) and 54 […]

V Lecoultre et al, 2013. Coffee consumption attenuates short-term fructose-induced liver insulin resistance in healthy men, American Journal of Clinical Nutrition, published online ahead of print.

Abstract BACKGROUND: Epidemiologic and experimental data have suggested that chlorogenic acid, which is a polyphenol contained in green coffee beans, prevents diet-induced hepatic steatosis and insulin resistance. OBJECTIVE: We assessed whether the consumption of chlorogenic acid-rich coffee attenuates the effects of short-term fructose overfeeding, dietary conditions known to increase intrahepatocellular lipids (IHCLs), and blood triglyceride concentrations and to decrease […]

C Drake et al, 2013, Caffeine Effects on Sleep Taken 0, 3, or 6 Hours before Going to Bed, Journal of Clinical Sleep Medicine, Volume 9 (11): 1195-1200

ABSTRACT Study Objective: Sleep hygiene recommendations are widely disseminated despite the fact that few systematic studies have investigated the empirical bases of sleep hygiene in the home environment. For example, studies have yet to investigate the relative effects of a given dose of caffeine administered at different times of day on subsequent sleep. Methods: This […]

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