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Sparkling water or sparkling? Better without the bubbles
EAT less and drink more is the classic good purpose of every January. But if eating less is hard for everyone, for some it is hard to drink more because the water does not like at all, and for many the famous 6 to 8 glasses per day recommended by the doctors is the equivalent of torture. It happens then that the drinkers reluctant you dissetino with sparkling water, which is more full-bodied, and goes down better than the smooth one. But drink it straight or drink carbonated juice is the same thing? They answered the question on the pages of the magazine, The Coversation Nicola Innes, professor of pediatric dentistry and Suzanne Zaremba nutritionist, both in the forces at the University of Dundee, Scotland.
Beware the teeth with the sparkling L’ carbonated water is a water rich in carbon dioxide, CO2, is a gas. If the CO2 is already present as when it flows from the spring it is said that the water is naturally effervescent, however, when the carbon dioxide is added to the product at the time of bottling using a process called gas is said to sparkling artificial. CO2 in water produces H2CO3, i.e. carbonic acid, which has a pH value between 2 and 3, the acid note (the pH of the smooth water is neutral, which is approximately 7). The carbonic acid does two things, the first is enjoyable: it stimulates the receptors present in the oral cavity giving the note to feel thirst-quenching, freshness and instant well-being typical of carbonated soft drinks (not only water). A feeling that is momentary, it lasts for a few seconds.
The erosion of the enamel
The other effect instead, the carbonic acid of the exercises on the more external layer of the teeth, the enamel, a material that is particularly rich in minerals such as calcium or phosphorus, and which protects the teeth. If you consume carbonated water of habit - or even carbonated soft drinks, light or sugar-sweetened that they are with a pH of rule, the more acid the water, added to - the enamel can demineralizzarsi , that is, to lose part of its bricks. This demineralization due to the acidity causes the formation of small pores on the tooth surface, pores which initially are microscopic and you can fill in by providing minerals to the outside, for example, " say the two researchers - using toothpaste ad hoc. But that beyond a certain level, you are no longer able to close, because they dissolve more minerals than you can provide, and the enamel deteriorates permanently.
carbonated water suppresses the appetite?
The two experts say that on-line (but it is easy to check this by himself) there are those who say that sparkling water to act as an appetite suppressant, in practice, making them feel satiated, and then helping to eat less and lose weight (again, good intentions...) . In reality, sparkling water – remember- remains in the stomach as that without g as. Even when it is drunk during the meals - they reason - the stomach empties at the same speed with which the free pasteggiando with water without bubbles.
With or without gas water is better to drink The pure water quenches the thirst, has no calories, it is economical, does not damage the teeth. The water is a variety of health. However, it must be said that sparkling water is certainly one of the most healthy non-alcoholic beverages sugar-sweetened given that “it is estimated – as they remind Innes and Zaremba - that soft drinks contribute to approximately 25% of the sugar intake in adults, and increase oral acidity. While “the greater part of the water-carbonated – resume - contains no added sugars”.

But the soft drinks at hand, and concluding: if the smooth water just does not go down, so it's good that carbonated that holds equally hydrated and may be an alternative more tasty. A pact, according to the authors, “to keep in mind how often you drink it, for the health of the teeth”. In short, once again, the key issue is the extent, the frequency of consumption of foods, because generally, and also in this case, it is rare that one is one.

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