Many of us have heard that if you soak a tooth in soda for a few days it will begin to soften. Well, it isn’t true, but it doesn’t mean you can drink all the soda you want without it causing tooth problems. While soda contains citric and phosphoric acids, so do plenty of other foods and beverages.
Today, on A Moment of Science, why lips go dry. Let’s start by reviewing the ways in which the surface of our lips is different from the surface of the skin on the rest of our bodies. Basically, our lips are made of the same mucus membrane that coats the inside of our mouths. This [...]