Anesthesia is a medical practice that uses medications to prevent pain during surgical procedures or other medical interventions. It can be administered in various forms, including general anesthesia, which puts a patient into a deep sleep, and local anesthesia, which numbs a specific area of the body. The goal of anesthesia is to ensure patient comfort and safety while allowing doctors to perform necessary treatments. Anesthesiologists, specialized doctors trained in this field, monitor patients' vital signs and adjust medications as needed to maintain the right level of anesthesia throughout the procedure.