As glucose monitors, continuous ultrasound systems, Fitbits and other wearable technology become more prevalent, the devices are changing the way doctors care for their patients and the way patients care for themselves. Wearable technology is still evolving, but doctors already see the benefits, says Stephen Huot, a medical professor at Yale University. And while technology is not a substitute for doctor-patient conversations, “it could be game changing,” he says. A nationwide Pew Research Center survey in 2012 found that 69 percent of adults monitor at least one health indicator, such as weight, diet or exercise, and 21 percent said they used some form of technology to keep track. That number is projected to increase as wearable technology becomes more available.