In the past, people did not live long due to illnesses, diseases, dirty water, and poor-quality food. In Victorian times, surgery was painful, brutal - and often a death sentence. The hospital was the place people went to as a last resort. (A lot of times, to die) We have come a long way since the world's first human-to-human heart transplant operation on 3 December 1967. Give 3 examples of medical technologies/innovations and briefly explain how they have changed lives.