Forget just staying in shape. Activity trackers, heart rate monitors, and other wearable fitness devices are about to change medicine and health care as we know it. By Jill Duffy
What if you could buy an over-the-counter genome testing kit, just as you can buy a pregnancy test today, then take it home and know within a matter of minutes whether you’re at risk for cardiac arrest? What if, as a result of taking that test, your doctor prescribed a regimen of diet, exercise, and stress reduction, monitored by your Internet-connected refrigerator, sensor-laden workout clothes, and an fMRI headband that dimmed the lights when it noticed increased brain activity associated with stress? What if you could upload a copy of your brain to a hard drive so that doctors could reinstall your memories if a disease or accident wiped them out?