Water lower blood pressure
Pro Research Analysisby 
Searched over 200M research papers
Consensus Meter
The Impact of Water on Lowering Blood Pressure
Introduction to Water and Blood Pressure
Water consumption plays a crucial role in maintaining overall health, including the regulation of blood pressure. Various studies have explored how different types of water and hydration levels can influence blood pressure, providing insights into potential non-pharmacological interventions for hypertension.
Low-Sodium and Sodium Bicarbonate-Rich Water
Effects on Elderly Normotensive Individuals
Research has shown that consuming low-sodium or sodium bicarbonate-rich mineral water can significantly lower blood pressure in elderly normotensive individuals. A study involving 21 healthy participants aged 60-72 years demonstrated that drinking low-sodium water reduced mean arterial blood pressure by 7.0 mmHg, while sodium bicarbonate-rich water reduced it by 5.7 mmHg. In contrast, sodium chloride-rich water did not affect blood pressure, indicating that high sodium content can negate the benefits of dietary salt restriction .
Salinity of Drinking Water
Managed Aquifer Recharge Systems in Bangladesh
In coastal Bangladesh, high salinity in drinking water has been linked to increased blood pressure. A study evaluating the impact of Managed Aquifer Recharge (MAR) systems, which lower groundwater salinity by infiltrating rainwater, found that communities with access to MAR water had higher urinary sodium levels and blood pressure compared to those using low-salinity pond water. This suggests that MAR systems may not be effective in reducing blood pressure due to inconsistent salinity levels.
Mild Salinity and Blood Pressure
Conversely, another study in the same region found that drinking mildly saline water was associated with lower blood pressure. This effect was attributed to higher intake of calcium and magnesium, which are known to have blood pressure-lowering properties. Mild-salinity water drinkers had significantly lower systolic and diastolic blood pressure compared to those consuming fresh water.
Heated Water-Based Exercise
Benefits for Resistant Hypertensive Patients
Heated water-based exercise (HEx) has been shown to significantly reduce blood pressure in patients with resistant hypertension. A randomized controlled trial involving 32 patients demonstrated that HEx reduced 24-hour systolic and diastolic blood pressure by 17 mmHg and 9 mmHg, respectively. This suggests that HEx could be a promising therapeutic approach for managing resistant hypertension.
General Hydration and Blood Pressure
Increased Daily Water Intake
A study on Japanese adults indicated that increasing daily water intake can lower systolic blood pressure. Participants who consumed an additional 1.1 liters of water per day experienced a significant reduction in systolic blood pressure. This highlights the potential benefits of maintaining adequate hydration for blood pressure regulation.
Coconut Water
Effects on Nursing Students
Coconut water, rich in potassium and low in sodium, has also been found to lower systolic blood pressure. A study involving nursing students showed that consuming young coconut water significantly reduced systolic blood pressure, although the effect on diastolic pressure was not significant. This suggests that coconut water could be a beneficial natural beverage for managing blood pressure.
Conclusion
The type and salinity of water consumed can have significant effects on blood pressure. Low-sodium and sodium bicarbonate-rich mineral waters, mild-salinity water, and increased general hydration have all been shown to lower blood pressure. Additionally, heated water-based exercise and coconut water consumption offer promising non-pharmacological interventions for hypertension. These findings underscore the importance of considering water quality and hydration in blood pressure management strategies.
Sources and full results
Most relevant research papers on this topic