Water is a basic necessity of life, and when it comes to choosing between still and sparkling water, there are some key points to consider. Both types of water have their own benefits and potential drawbacks, so it’s important to understand the differences.

Sparkling water, also known as carbonated water or unflavored seltzer, gets its fizz from carbon dioxide added to filtered water. This process creates carbonic acid, giving sparkling water a more acidic pH level of around 3.5, compared to the neutral pH of still water, which falls between 6.5-8.5.

When it comes to hydration, research shows that both still and sparkling water are equally effective. Tap water in Australia is closely monitored and contains fluoride, which can help protect against tooth decay and cavities, making it a healthy choice for hydration.

While some concerns have been raised about the acidity of sparkling water and its potential effects on teeth and bones, there is no evidence to suggest that it is harmful in moderation. Drinking a lot of sugary or citrus-flavored beverages can be damaging to teeth, but plain sparkling water is generally safe for dental health.

Some people may experience stomach upset from carbonated beverages due to gas buildup, which can cause bloating and discomfort. Additionally, for individuals with an overactive bladder, the acidity of sparkling water may aggravate the urinary system.

As for the temperature of water, there is limited research on the effects of drinking cold water versus room temperature water. Cold water may temporarily slow down digestion, but it could also slightly boost metabolism as the body works to warm it up. Ultimately, the temperature of the water you choose to drink is a matter of personal preference.

In conclusion, water, whether still or sparkling, remains the healthiest choice for hydration. If you have concerns about the acidity of sparkling water affecting your teeth, you can follow it up with a glass of still water to help balance out the pH levels in your mouth. Remember, staying hydrated is essential for overall health and well-being.

This article was written by Christian Moro, Associate Professor of Science & Medicine, Bond University and Charlotte Phelps, Senior Teaching Fellow, Medical Program, Bond University, and is republished from The Conversation under a Creative Commons license. To read the original article, visit The Conversation website.