The cancer field has led the way in the most remarkable way.
"Sir David John Weatherall", Fellow of the Royal Society/FRS is a British physician and researcher in molecular genetics, haematology, pathology and clinical medicine.More David Weatherall on Wikipedia.
When the human genome was sequenced, I think that--not unreasonably--the press and some of the scientists themselves gave the impression it was going to change medicine practically overnight.
It goes back to the teaching of pharmacology in medical schools. Clinical pharmacology has died off in recent years.