In fact, one study found that after an intense workout, carbonated water replaced participants’ fluids just as well as still.
The Rumour: Carbonated Water Is Bad for Your Teeth
Carbonic acid, formed when H2O meets C02, may erode tooth enamel in very high concentrations. But the average guy doesn't need to worry.
As long as you don’t down a six-pack per day - and your seltzer’s not loaded with acidic fruit juice or cavity-causing sugar - your smile’s safe, says Timothy Chase, a dentist in New York City.
The Rumour: Sipping Adds Inches to Your Middle
It’s true that gulping down so many mini air pockets may be temporarily bloating - but that’s a good thing for your scale in the long run.
Researchers found that carbonated water may be significantly more filling than still, especially on an empty stomach. And the fuller you feel, the less likely you’ll be to succumb to mindless munching.
Just avoid versions loaded with artificial sweeteners, which may actually ramp up sugar cravings.
The Rumour: Carbonated Water Gives You Heartburn
Researchers have debunked the idea that chugging effervescent water can cause acid reflux.
That said, if you’re already prone to heartburn, you might want to stick with the plain stuff, especially with meals.
Evidence suggests that bubbles may aggravate preexisting reflux issues by relaxing the lower opening of the oesophagus, making it easier for acid to creep up your gullet, says Dr Melina Jampolis, author of The Doctor on Demand Diet.