Not medically trained or experiencing any illnesses, but keep this in mind:
In just a few years, the medical world made huge steps in treating a lot of things using RNA techniques.
Don't compare a situation 10 or 20 years ago with the possibilities today.
Almost every one of the fingerprint sensors in laptops are not supported by Linux due to proprietary protocols. Never managed to get stuff used by Dell or HP with Linux.
But the Grow R503 can be used over uart, what can be connected to usb with some minor additional parts.