Anesthesia is most certainly a trademark of civilized society. Think for a moment about what a surgery or medical procedure would be like without first getting a dose of some kind of anesthetic. Even a relatively straightforward procedure like having a tooth pulled, often sees the dentist use an anesthetic. If you’re like me, you’re not likely to be troubled by this. But exactly how does anesthesia work to numb the pain?
Read the full story here: How anesthesia numbs pain