We all know that drinking enough water is good for health and ultimately sustains life.
But new research has revealed just how important it is to maintain proper hydration.
The study, published in the medical journal The Lancet, is the result of a 25-year study of 11,255 adults. So it’s pretty definitive.
Researchers at the National Institutes of Health have also found that people who don’t drink enough water age faster, are more susceptible to chronic diseases, and may die prematurely.
Over 25 years, scientists asked participants about their socioeconomic status and family medical history. On the other hand, a clinical study of sodium in blood served as an indicator of water intake.
People with more sodium in their blood (that is, less water) were 50% more likely to show physiological signs of aging. This includes physical signs such as eyes.
“The results suggest that proper hydration may slow aging and prolong disease-free living,” says research scientist Natalia of the National Heart, Lung, and Blood Institute (NHLBI) in Maryland. Dmitrieva said
The authors of this study conclude that measuring sodium in the blood and identifying hydration levels can inform actions taken by physicians when dealing with patients. Therefore, patients may be asked to increase their fluid intake, for example, by drinking more fluids or eating foods such as vegetables and fruits.
How many liters of water should you drink per day?
The NHS Eatwell Guide says you should drink about 6-8 cups or glasses of water per day.
It doesn’t say how much these should be, but other estimates, such as those from the British Dietetic Association, suggest that you should aim for about 1.5-2 liters of water.
However, guidance has changed over the years, and the long-standing belief that you should drink eight cups a day may actually be too much.
In 2010, the European Food Safety Authority suggested that men should drink 2 liters a day and women 1.6 liters.
For men this equates to 3.5 pints and for women this is just under 3 pints.
An average water bottle holds about 500ml of water, so men need 4 a day and women just over 3.
However, this can also be affected by a number of factors, such as age and circumstances.
According to the British Dietetic Association, children under 14 need less than adults, but pregnant and lactating women should drink more, with the association recommending 300ml a day if pregnant. If you are breastfeeding, it is recommended that you drink 700ml more per day.
If you are exercising or playing sports, you should drink more water to replace the water lost through sweat.
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