If it's Monday, your smartphone might remind you, you should probably be thinking about quitting smoking. Your odds of being diagnosed with the MERS virus are 1 in 150 based on other cases in your city. Oh, and don't worry — your blood pressure has stayed steady with your latest prescription. No need to see the doctor. These are only a handful of the insights that e-health, or the use of remote technology to provide medical care, could someday tell us and our doctors about how we live. The idea that a computer screen, a cellphone, or even a wearable wristband could revolutionize medicine isn't exactly far-fetched.