This past December, the FDA required that a warning be added to labels of many anesthetic drugs (Table 1) stating “repeated or lengthy use of general anesthetic or sedation drugs during surgeries or procedures in children younger than 3 years of age, or in pregnant woman during the final trimester may affect development of children's brains.” The FDA's definition of “lengthy” was greater than 3 hours of exposure.” 1 This was not a “black box” warning per se, but rather an effort by the FDA to highlight a growing concern and alert anesthesia providers that a discussion