Results 221 to 230 of about 44,889 (252)
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Progress in clinical and biological research, 1985
This chapter provides details about the production, trade, and consumption of caffeine, which is probably the world's most widely used drug. The focus is on caffeine derived from coffee, which accounts for about 54% of all caffeine use, because other chapters in the volume give details of tea and cocoa consumption.
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This chapter provides details about the production, trade, and consumption of caffeine, which is probably the world's most widely used drug. The focus is on caffeine derived from coffee, which accounts for about 54% of all caffeine use, because other chapters in the volume give details of tea and cocoa consumption.
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Caffeine consumption and cardiovascular health
Nature Reviews Cardiology, 2022Rob M. van Dam, Frank B. Hu
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Changes in caffeine consumption as a signal of pregnancy
Reproductive Toxicology, 2004The purpose of this prospective study was to examine caffeine consumption and other signals of early pregnancy.One hundred and five pregnant, nonsmoking, coffee drinkers ages 18-40 were enrolled by the ninth week after their last menstrual period (LMP). Participants kept daily diaries of beverage and caffeine consumption and symptoms.
Christina C, Lawson +2 more
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Journal of Drug Education, 1990
The expectancies paradigm developed in alcohol research was used to study caffeine consumption and signs of caffeinism in two groups of college students. A survey questionnaire was developed to gather self-report data on expectations of caffeine-enhanced performance (EP-CAFF), level of beverage caffeine consumed daily, and DSM-111 caffeinism signs ...
J R, Bradley, A, Petree
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The expectancies paradigm developed in alcohol research was used to study caffeine consumption and signs of caffeinism in two groups of college students. A survey questionnaire was developed to gather self-report data on expectations of caffeine-enhanced performance (EP-CAFF), level of beverage caffeine consumed daily, and DSM-111 caffeinism signs ...
J R, Bradley, A, Petree
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Reproduction and caffeine consumption — a literature review
Early Human Development, 1995Caffeine containing drinks are commonly consumed by pregnant women, but definitive studies concerning safety to the fetus are still awaited. This literature review highlights the methodological problems in mounting appropriate studies and assessing those publications that are available.
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Caffeine Consumption and Target Scanning Performance
Human Factors: The Journal of the Human Factors and Ergonomics Society, 1978Twenty-five minutes after ingesting one of three possible dosages (placebo, 200 mg, or 400 mg) of caffeine, 48 subjects individually participated in two short-term visual target scanning tasks (subject-paced and experimenter-paced). Assignment of subjects to treatment groups was made on the basis of a priori coffee consumption rates.
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Update on caffeine consumption, disposition and action
Food and Chemical Toxicology, 2002This report represents a current summary of the caffeine contents of various commercial products, and provides data on the spectrum of caffeine intake levels in man. A summary of the substance's pharmacokinetics describes information on its disposition in the body. The effects of caffeine are related to its interaction with adenosine receptors.
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Psychophysiological effects of habitual caffeine consumption
International Journal of Behavioral Medicine, 1994Caffeine is the most widely consumed pharmacologically active substance in the world, and a key issue concerning its possible implications for human health is whether it has persistent (i.e., chronic) physiological effects on habitual consumers. This study examined blood pressure, heart rate (HR), electromyogram (EMG), and skin conductance level (SCL ...
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Patterns of caffeine consumption.
Human nutrition. Applied nutrition, 1984A cross sectional survey of 4757 Australians to assess usual daily consumption of caffeine from all sources was conducted. Individual variations in type and strength of coffee drunk were noted. Average caffeine consumption was 240 mg/day, equivalent to approximately five 150 ml cups of medium strength instant coffee.
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