Anesthesia

The development of anesthesia involved the use of substances such as ether to induce unconsciousness and sensitize patients for pain-free operations. It revolutionized medicine by allowing more complex and longer surgeries to be performed without causing pain to the patient.
 William Thomas Green Morton United States 1846 Anesthesia

The development of anesthesia involved the use of substances such as ether to induce unconsciousness and sensitize patients for pain-free operations. It revolutionized medicine by allowing more complex and longer surgeries to be performed without causing pain to the patient.