Today, when you go to the doctor, she does some tests, asks a few questions, gives you a diagnosis, and if necessary, prescribes you a medication. For the most part, it’s a pretty generic, one-size-fits-all process.

But the future of medicine will be all about you. It’ll be personalized, with wearable sensors in and outside your body that’ll track your cholesterol or signs of cancer. Google X revealed this week that it’s already working on a medical wearable that tracks heart rhythm, pulse, skin temperature and your light and noise exposure. In this perfect future, doctors will get real-time feedback about what’s happening with your body and have access to your genetic records so they can write prescriptions based on your unique health history. That’s the promise, at least, of precision, or data-driven, medicine, which is still years away from being a reality.

If you’re a minority or a woman, though, precision medicine might…