Describe one way that advances in technology have improved health

Back a while ago,people had a hard time gathering information about inside the body and keeping that information,since everything is more advanced now,it's easier to study bones and the inside of the body,we can make it cleaner and can now fix the more impossible,because a very long time ago,nobody had a way to see the bones or inside the body without having to feel or cut somebody open,something we no longer have to do.

Blood transfusions were rarely done and often fatal; they were outlawed until the nineteenth century.