One of the myths floating around in regards to coffee is that it dehydrates the body. So, is coffee good for health? This is the most common question that people have related to coffee. Often I hear common advice: to reduce your coffee intake during summers, as it dehydrates the body. Due to this advice, people always are in doubt whether is coffee good for health or not. But the studies do not support this myth.
Is coffee a diuretic? Yes, caffeine is a diuretic but a very weak one. So, is coffee good or bad? Let’s see what the studies say:-
#1. Study in 1990 – Canadian journal of physiology and pharmacology – found no difference in water loss or sweat rate following the consumption of 7.5mg/kg dose of caffeine and walking on a treadmill with a 22kg pack.
#2. Study in 2006 – Aviation Space and Environmental Medicine – researchers gave 0, 3, 6mg/kg caffeine to 59 young active males who walked on a treadmill. There was no difference in the sweat rates of any of the subjects’ post-workout.
#3. Study in 2003 – Journal of Human Nutrition and Dietetics – the available literature suggests that acute ingestion of caffeine in large doses (at least 250-300 mg) results in a short term stimulation of urine output in individuals who have been deprived of caffeine for a period of days or weeks, and the actions are much diminished in individuals who regularly consume tea or coffee. Doses of caffeine equivalent to the amount normally found in standard servings of tea, coffee, and carbonated soft drinks appear to have no diuretic action.
So, enjoy your coffee and if you are urinating after having your regular dose of coffee, it’s just because you are having just another liquid, in the form of coffee or tea, not because you are dehydrated.
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