Category Archives: Caffeine

Caffeine intake

Caffeinated drinks are commonly consumed throughout the World with tea and coffee providing a significant contribution. A recent study conducted on a United States population measured the concentrations of caffeine and some of its metabolites in the urine of subjects1. … Continue reading

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Green Tea and Energy Expenditure

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Fat Loss Components of Tea

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Green Tea Increases Energy Expenditure

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Adenosine Receptors and Caffeine

Adenosine is a predominantly inhibitory neurotransmitter located in the central nervous system of animals. Adenosine acts of adenosine receptors which include a number of subgroups. While evidence suggests that adenosine can have excitatory effects in some neurones, generally activation of … Continue reading

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How Does Green Tea Cause Weight Loss?

Tea is a drink that has traditionally been considered a health tonic. Modern science has corroborated this traditional belief, and many studies have provided evidence that regular consumption of tea confers a number of health benefits. The health benefits of … Continue reading

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The Thermogenic Effects of Green Tea

Tea is a decoction of the Camellia sinensis leaf. Tea comes in a number of different forms including green tea, oolong tea and black tea, with the degree of fermentation during processing determining the final product. Fermentation can alter the … Continue reading

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Caffeine and Sleep

Sleep problems are common for many following Western lifestyles. Studies have investigated the reasons contributing to this widespread insomnia and a number of possible theories have been suggested. However, taken as a whole the scientific evidence suggests that insomnia is … Continue reading

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Methylxanthines in Plants

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Is Caffeine Protective of Kidney Stones?

Kidney stones form when calcium, oxalate and uric acid crystals precipitate in the tissues of the kidney. This is thought to occur due to too an inability of the kidney to dilute the urine enough to allows these substances to … Continue reading

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