Earlier quoted context omitted.
We have so many cures that we simply forget about many diseases entirely.
Depending on how they are counted there are between 10000 and 70,000 different human diseases, and treatments only exist for around 500 of them. Further, the overwhelming majority of these treatments are not cures, i.e. treatments that end medical conditions in an individual.
Yet, the main two treatment options are "workaround/hacks" or a very invasive operation.
There's only one [1] potential nobel "curing" treatment which is just gaining traction.
But innmy opinion with current technology, stuff like GERD or chronic bowel incontinence (due to mechanical failure of anjs sphincter) should be 100% solved.