If you've ever had major surgery, you probably remember lying down and waking up--but nothing in between. Learn about anesthetics on this Moment of Science.
Inhaling insulin? Learn about different and painless way for diabetics to get their insulin on this Moment of Science.
Does sugar really cause cavities? Find out on A Moment of Science.
If you chew gum with sugar in it, you need to chew for twenty minutes or more in order to produce enough saliva to wash away a significant amount of the sugar residue. Even then, it’s a good idea to brush your teeth afterward.