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Can You Drink Too Much Water?
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In the past few years studies have shown that many of us don't
drink enough water for good health. Along with general healthy
eating recommendations, most health promoters have
urged us all to drink more water, particularly whilst
exercising. The message has been strong - avoid dehydration.
However, there is a different story emerging, especially amongst
people who exercise. According to
researchers almost as many exercisers are putting their health
at risk by over-consuming water as drinking too little.
Drinking water at every opportunity can cause serious problems,
such as hyponatraemia or water intoxication. As the water
content of the blood increases, the salt content is diluted. Consequently the
amount of salt available to body tissues decreases, which can
lead to problems with brain, heart and muscle function.
Initial
symptoms of over-hydration include dizziness, nausea, apathy and
confusion. However these symptoms are also associated with
dehydration - so it's important to be aware of how much you are
drinking.
Is there cause for alarm? The British Dietetic Association
guidelines state that an average adult should consume 2.5 litres
of water per day. This intake needs to be increased during
periods of hot weather or during and after periods of physical
activity.
You can get your daily water requirements from sources
other than pure water - your cup of tea counts! Water is the main ingredient of all drinks –
carbonated drinks and still drinks, fruit juices and fruit and
vegetables all have a high water content.
A clear message of Do It, but Don’t Overdo It!!
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