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- Jormeus, Anders, et al.
(author)
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Doubling of Water Intake Increases Daytime Blood Pressure and Reduces Vertigo in Healthy Subjects
- 2010
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In: CLINICAL AND EXPERIMENTAL HYPERTENSION. - : Informa Healthcare. - 1064-1963 .- 1525-6006. ; 32:7, s. 439-443
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Journal article (peer-reviewed)abstract
- We studied the effect of increased water intake on ambulatory blood pressure (BP) in healthy individuals. Blood pressure was recorded after 2 weeks of either regular (RWI) or extra water intake (EWI, an additional 30 ml water/kg body weight per day) in 20 healthy subjects (10 males, 10 females). The extra water intake (RWI: 1.7 +/- 0.59 l, EWI: 3.7 +/- 0.84 l, respectively, p andlt; 0.0001, i.e., an increase of 2 liters) induced an increase in mean arterial daytime BP from 89.0 +/- 5.5 mmHg during RWI to 91.4 +/- 6.4 mmHg during the EWI phase (p = 0.005), while night-time BP was unchanged by the intervention. The visual-analogue-scale (VAS, maximum score of 10) score corresponding to the statement "I often experience vertigo" was 3.1 +/- 2.6 during RWI and decreased to 2.1 +/- 2. 1 during EWI phase (p = 0.008). In conclusion, two liters of extra water intake for 2 weeks significantly increased daytime blood pressure and reduced a sense of vertigo in healthy individuals.
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