
Anesthetics come in many forms including creams that are rubbed into the skin, gases to be breathed in, and injections administered through a needle. They all are used to numb, dull, or stop pain for patients undergoing medical procedures. But how do they do that? Curious readers...

Anesthetics come in many forms including creams that are rubbed into the skin, gases to be breathed in, and injections administered through a needle. They all are used to numb, dull, or stop pain for patients undergoing medical procedures. But how do they do that? Curious readers...