I probably have a genetic deadly allergy to some anesthetics. I say probably because until recently the only definite test was doing a biopsy on a chunk on leg muscle. Worst name ever: Malignant hyperthermia. (Latin for deadly temperature rise, but it sounds like Infectious Hyper-plague.)
A cheap genetic test would have made tracking it through the family tree at lot easier.
I have no sympathy for some people when they get their genome results back:
