Hard to say as there is evidence of prehistoric operations, like trepanations And also from prehistoric knowledge of anesthesics like opium.
He invented anaesthetics
Anaesthetics have made peoples lives better because it can save many lives by not feeling any pain during surgery! Your welcome!
No, they cannot.
The cast of Anaesthetics - 2004 includes: Bennu Gerede as The Woman
oxygen
nitrogen
Nitrous oxide
binlardan
Anaesthesiologist
NARCOSIS
Nitrous Oxide
nitrous oxide