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Coffee and Fluid Balance
Coffee can be an important source of fluid in the diet. Through careful experiments that passed peer review, Grandjean et al (1) have shown that caffeinated drinks should count towards the daily fluid intake in the vast majority of people. For some medical conditions – such as kidney stones – patients are routinely advised to increase their fluid intake. However there is sometimes concern that drinks containing caffeine – while improving fluid intake may have a diuretic effect. In two studies Curhan et al (2,3) found that greater intakes of regular and decaffeinated coffee, tea, beer and wine were associated ... Read more